{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-12653","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2025-11-03T20:33:36.697Z","datePublished":"2025-11-26T19:46:12.641Z","dateUpdated":"2025-12-10T23:01:24.241Z"},"containers":{"cna":{"affected":[{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","vendor":"GitLab","versions":[{"lessThan":"18.4.5","status":"affected","version":"18.3","versionType":"semver"},{"lessThan":"18.5.3","status":"affected","version":"18.5","versionType":"semver"},{"lessThan":"18.6.1","status":"affected","version":"18.6","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Thanks [pwnie](https://hackerone.com/pwnie) 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 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2025-12-10T23:01:24.241Z"},"references":[{"name":"GitLab Security Release Blog Post","tags":["vendor-advisory"],"url":"https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/"},{"name":"GitLab Issue #579372","tags":["issue-tracking","permissions-required"],"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/579372"},{"name":"HackerOne Bug Bounty Report #3370245","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3370245"}],"solutions":[{"lang":"en","value":"Upgrade to versions 18.4.5, 18.5.3, 18.6.1 or above."}],"title":"Authentication Bypass by Spoofing in GitLab"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-28T14:41:33.855824Z","id":"CVE-2025-12653","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-11-28T19:35:10.756Z"}}]}}