{"api_version":"1","generated_at":"2026-10-16T23:41:17+00:00","cve":"CVE-2026-81934","urls":{"html":"https://cve.report/CVE-2026-81934","api":"https://cve.report/api/cve/CVE-2026-81934.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-81934","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-81934"},"summary":{"title":"Redis TLS pending-data list use-after-free","description":"Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.","state":"PUBLISHED","assigner":"cisa-cg","published_at":"2026-08-27 20:18:57","updated_at":"2026-08-31 20:17:12"},"problem_types":["CWE-416","CWE-416 CWE-416 Use After Free"],"metrics":[{"version":"4.0","source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","data":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":7.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"}},{"version":"3.1","source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81934","name":"https://www.cve.org/CVERecord?id=CVE-2026-81934","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/","name":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/8.10.1","name":"https://github.com/redis/redis/releases/tag/8.10.1","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/8.2.9","name":"https://github.com/redis/redis/releases/tag/8.2.9","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/8.6.6","name":"https://github.com/redis/redis/releases/tag/8.6.6","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/8.4.6","name":"https://github.com/redis/redis/releases/tag/8.4.6","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/v12-security/pocs/tree/main/redis/server_ssl","name":"https://github.com/v12-security/pocs/tree/main/redis/server_ssl","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/6.2.24","name":"https://github.com/redis/redis/releases/tag/6.2.24","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834","name":"https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/","name":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/8.8.2","name":"https://github.com/redis/redis/releases/tag/8.8.2","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/","name":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/7.2.16","name":"https://github.com/redis/redis/releases/tag/7.2.16","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES","name":"https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/redis/redis/releases/tag/7.4.11","name":"https://github.com/redis/redis/releases/tag/7.4.11","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json","name":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/","name":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/","refsource":"9119a7d8-5eab-497f-8521-727c672e3725","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81934","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 8.2.9","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 8.4.6","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 8.6.6","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 8.8.2","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 8.10.1","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 7.4.11","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 6.2.24","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"unaffected 7.2.16","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 8.8.2 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 8.2.9 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 8.4.6 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 8.6.6 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 8.10.1 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 7.4.11 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 6.2.24 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis","version":"affected 7.2.16 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"unaffected 8.2.0-46","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"unaffected 8.0.20-96","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"unaffected 7.22.2-179","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"unaffected 7.8.6-303","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"affected 8.2.0-46 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"affected 8.0.20-96 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"affected 7.22.2-179 custom","platforms":[]},{"source":"CNA","vendor":"Redis","product":"Redis Software (Enterprise)","version":"affected 7.8.6-303 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"81934","cve":"CVE-2026-81934","epss":"0.004350000","percentile":"0.363920000","score_date":"2026-09-02","updated_at":"2026-09-03 00:14:38"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-81934","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-28T15:13:56.058373Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-28T15:14:13.092Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"Redis","vendor":"Redis","versions":[{"status":"unaffected","version":"8.2.9"},{"status":"unaffected","version":"8.4.6"},{"status":"unaffected","version":"8.6.6"},{"status":"unaffected","version":"8.8.2"},{"status":"unaffected","version":"8.10.1"},{"status":"unaffected","version":"7.4.11"},{"status":"unaffected","version":"6.2.24"},{"status":"unaffected","version":"7.2.16"},{"lessThan":"8.8.2","status":"affected","version":"0","versionType":"custom"},{"lessThan":"8.2.9","status":"affected","version":"0","versionType":"custom"},{"lessThan":"8.4.6","status":"affected","version":"0","versionType":"custom"},{"lessThan":"8.6.6","status":"affected","version":"0","versionType":"custom"},{"lessThan":"8.10.1","status":"affected","version":"0","versionType":"custom"},{"lessThan":"7.4.11","status":"affected","version":"0","versionType":"custom"},{"lessThan":"6.2.24","status":"affected","version":"0","versionType":"custom"},{"lessThan":"7.2.16","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"Redis Software (Enterprise)","vendor":"Redis","versions":[{"status":"unaffected","version":"8.2.0-46"},{"status":"unaffected","version":"8.0.20-96"},{"status":"unaffected","version":"7.22.2-179"},{"status":"unaffected","version":"7.8.6-303"},{"lessThan":"8.2.0-46","status":"affected","version":"0","versionType":"custom"},{"lessThan":"8.0.20-96","status":"affected","version":"0","versionType":"custom"},{"lessThan":"7.22.2-179","status":"affected","version":"0","versionType":"custom"},{"lessThan":"7.8.6-303","status":"affected","version":"0","versionType":"custom"}]}],"datePublic":"2026-08-17T00:00:00.000Z","descriptions":[{"lang":"en","value":"Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},{"cvssV4_0":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":7.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"}},{"other":{"content":{"id":"CVE-2026-81934","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-08-27T19:12:51.964039Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-31T19:17:53.121Z","orgId":"9119a7d8-5eab-497f-8521-727c672e3725","shortName":"cisa-cg"},"references":[{"name":"url","tags":["patch"],"url":"https://github.com/redis/redis/commit/6d088c335d5c3ec49a6c28486140b498e70b7834"},{"name":"url","tags":["exploit"],"url":"https://github.com/v12-security/pocs/tree/main/redis/server_ssl"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/8.2/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/8.4/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/8.6/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/8.8/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/8.10/00-RELEASENOTES"},{"name":"url","tags":["third-party-advisory"],"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-239-01.json"},{"name":"url","tags":["vdb-entry"],"url":"https://www.cve.org/CVERecord?id=CVE-2026-81934"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/6.2.24"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/7.2.16"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/7.4.11"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/8.4.6"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/8.2.9"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/8.6.6"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/8.8.2"},{"name":"url","tags":["release-notes"],"url":"https://github.com/redis/redis/releases/tag/8.10.1"},{"name":"url","tags":["release-notes"],"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-2-releases/rs-8-2-0-46/"},{"name":"url","tags":["release-notes"],"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-8-0-releases/rs-8-0-20-96/"},{"name":"url","tags":["release-notes"],"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-22-releases/rs-7-22-2-179/"},{"name":"url","tags":["release-notes"],"url":"https://redis.io/docs/latest/operate/rs/release-notes/rs-7-8-releases/rs-7-8-6-303/"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/7.4/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/7.2/00-RELEASENOTES"},{"name":"url","tags":["release-notes"],"url":"https://raw.githubusercontent.com/redis/redis/6.2/00-RELEASENOTES"}],"title":"Redis TLS pending-data list use-after-free"}},"cveMetadata":{"assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","assignerShortName":"cisa-cg","cveId":"CVE-2026-81934","datePublished":"2026-08-27T19:40:15.141Z","dateReserved":"2026-08-27T19:15:11.715Z","dateUpdated":"2026-08-31T19:17:53.121Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-27 20:18:57","lastModifiedDate":"2026-08-31 20:17:12","problem_types":["CWE-416","CWE-416 CWE-416 Use After Free"],"metrics":{"cvssMetricV40":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"ssvcV203":[{"source":"9119a7d8-5eab-497f-8521-727c672e3725","ssvcData":{"timestamp":"2026-08-27T19:12:51.964039Z","id":"CVE-2026-81934","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-28T15:13:56.058373Z","id":"CVE-2026-81934","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"81934","Ordinal":"1","Title":"Redis TLS pending-data list use-after-free","CVE":"CVE-2026-81934","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"81934","Ordinal":"1","NoteData":"Redis contains a use-after-free vulnerability in the 'tlsProcessPendingData()' function, which handles the TLS pending-data list if Redis is configured with TLS support. A remote, unauthenticated attacker may be able to execute arbitrary commands with the privileges of the Redis server.","Type":"Description","Title":"Redis TLS pending-data list use-after-free"}]}}}