{"api_version":"1","generated_at":"2026-10-22T21:14:15+00:00","cve":"CVE-2026-105711","urls":{"html":"https://cve.report/CVE-2026-105711","api":"https://cve.report/api/cve/CVE-2026-105711.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-105711","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105711"},"summary":{"title":"Use of Cache Containing Sensitive Information in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users.","state":"PUBLISHED","assigner":"GitLab","published_at":"2026-10-22 01:16:57","updated_at":"2026-10-22 16:18:19"},"problem_types":["CWE-524","CWE-524 CWE-524: Use of Cache Containing Sensitive Information"],"metrics":[{"version":"3.1","source":"cve@gitlab.com","type":"Secondary","score":"3.5","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","baseScore":3.5,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"3.5","severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://hackerone.com/reports/3963293","name":"https://hackerone.com/reports/3963293","refsource":"cve@gitlab.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","name":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/","refsource":"cve@gitlab.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/632207","name":"https://gitlab.com/gitlab-org/gitlab/-/work_items/632207","refsource":"cve@gitlab.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105711","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105711","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 15.0 19.3.6 semver","platforms":[]},{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 19.4 19.4.3 semver","platforms":[]},{"source":"CNA","vendor":"GitLab","product":"GitLab","version":"affected 19.5 19.5.1 semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Thanks [20kilograma](https://hackerone.com/20kilograma) for reporting this vulnerability through our HackerOne bug bounty program","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"https://gitlab.com/gitlab-org/gitlab","vendor":"GitLab","versions":[{"lessThan":"19.3.6","status":"affected","version":"15.0","versionType":"semver"},{"lessThan":"19.4.3","status":"affected","version":"19.4","versionType":"semver"},{"lessThan":"19.5.1","status":"affected","version":"19.5","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Thanks [20kilograma](https://hackerone.com/20kilograma) for reporting this vulnerability through our HackerOne bug bounty program"}],"descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-524","description":"CWE-524: Use of Cache Containing Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-21T23:34:30.427Z","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab"},"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/632207"},{"name":"HackerOne Bug Bounty Report #3963293","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3963293"},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"}],"solutions":[{"lang":"en","value":"Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above."}],"title":"Use of Cache Containing Sensitive Information in GitLab"}},"cveMetadata":{"assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","assignerShortName":"GitLab","cveId":"CVE-2026-105711","datePublished":"2026-10-21T23:34:30.427Z","dateReserved":"2026-10-05T18:35:06.853Z","dateUpdated":"2026-10-21T23:34:30.427Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-22 01:16:57","lastModifiedDate":"2026-10-22 16:18:19","problem_types":["CWE-524","CWE-524 CWE-524: Use of Cache Containing Sensitive Information"],"metrics":{"cvssMetricV31":[{"source":"cve@gitlab.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","baseScore":3.5,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.1,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"105711","Ordinal":"1","Title":"Use of Cache Containing Sensitive Information in GitLab","CVE":"CVE-2026-105711","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"105711","Ordinal":"1","NoteData":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.0 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when a merge request in a public project referenced a confidential issue from a private project, an authenticated user with no project membership could have read the confidential issue's title, due to a viewer-independent fragment cache key that incorrectly shared per-user-redacted rendered content across all users.","Type":"Description","Title":"Use of Cache Containing Sensitive Information in GitLab"}]}}}