{"api_version":"1","generated_at":"2026-11-06T10:42:41+00:00","cve":"CVE-2026-110932","urls":{"html":"https://cve.report/CVE-2026-110932","api":"https://cve.report/api/cve/CVE-2026-110932.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-110932","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110932"},"summary":{"title":"Keycloak-services: keycloak-services: unauthenticated persistent disk exhaustion via theme gzip cache","description":"A flaw was found in the theme resource endpoint of Keycloak, an open-source identity and access management solution. The issue occurs because the server fails to validate theme names before using them as keys for an on-disk gzip cache. An unauthenticated attacker can exploit this by sending many requests with unique, fabricated theme names, leading to persistent disk space exhaustion that survives server restarts and causes service disruptions.","state":"PUBLISHED","assigner":"redhat","published_at":"2026-11-05 17:17:37","updated_at":"2026-11-05 19:17:09"},"problem_types":["CWE-400","CWE-400 Uncontrolled Resource Consumption"],"metrics":[{"version":"3.1","source":"secalert@redhat.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-110932","name":"https://access.redhat.com/security/cve/CVE-2026-110932","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2553049","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2553049","refsource":"secalert@redhat.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110932","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110932","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Red Hat","product":"Red Hat Build of Keycloak","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat Build of Keycloak","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat Single Sign-On 7","version":"","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-10-13T21:12:32.000Z","lang":"en","value":"Reported to Red Hat."},{"source":"CNA","time":"2025-11-05T00:00:00.000Z","lang":"en","value":"Made public."}],"solutions":[],"workarounds":[{"source":"CNA","title":"","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.","time":"","lang":"en"}],"exploits":[],"credits":[{"source":"CNA","value":"Red Hat would like to thank Adel Assakaf (Oteria) for reporting this issue.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-110932","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-11-05T18:53:16.668473Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-11-05T18:53:25.284Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:"],"defaultStatus":"affected","packageName":"keycloak-services","product":"Red Hat Build of Keycloak","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat Build of Keycloak","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"],"defaultStatus":"unaffected","packageName":"keycloak-services","product":"Red Hat Single Sign-On 7","vendor":"Red Hat"}],"credits":[{"lang":"en","value":"Red Hat would like to thank Adel Assakaf (Oteria) for reporting this issue."}],"datePublic":"2025-11-05T00:00:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in the theme resource endpoint of Keycloak, an open-source identity and access management solution. The issue occurs because the server fails to validate theme names before using them as keys for an on-disk gzip cache. An unauthenticated attacker can exploit this by sending many requests with unique, fabricated theme names, leading to persistent disk space exhaustion that survives server restarts and causes service disruptions."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-05T16:04:56.959Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-110932"},{"name":"RHBZ#2553049","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2553049"}],"timeline":[{"lang":"en","time":"2026-10-13T21:12:32.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2025-11-05T00:00:00.000Z","value":"Made public."}],"title":"Keycloak-services: keycloak-services: unauthenticated persistent disk exhaustion via theme gzip cache","workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}],"x_generator":{"engine":"cvelib 1.8.0"},"x_redhatCweChain":"CWE-400: Uncontrolled Resource Consumption"}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2026-110932","datePublished":"2026-11-05T16:04:56.959Z","dateReserved":"2026-10-15T05:47:56.609Z","dateUpdated":"2026-11-05T18:53:25.284Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-05 17:17:37","lastModifiedDate":"2026-11-05 19:17:09","problem_types":["CWE-400","CWE-400 Uncontrolled Resource Consumption"],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-05T18:53:16.668473Z","id":"CVE-2026-110932","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"110932","Ordinal":"1","Title":"Keycloak-services: keycloak-services: unauthenticated persistent","CVE":"CVE-2026-110932","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"110932","Ordinal":"1","NoteData":"A flaw was found in the theme resource endpoint of Keycloak, an open-source identity and access management solution. The issue occurs because the server fails to validate theme names before using them as keys for an on-disk gzip cache. An unauthenticated attacker can exploit this by sending many requests with unique, fabricated theme names, leading to persistent disk space exhaustion that survives server restarts and causes service disruptions.","Type":"Description","Title":"Keycloak-services: keycloak-services: unauthenticated persistent"}]}}}