{"id":"CVE-2025-6601","state":"PUBLISHED","title":"Business Logic Errors in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.","publishedAt":"2025-10-27T00:06:04.304Z","updatedAt":"2025-11-24T07:26:31.684Z","severity":{"score":2.7,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.4","status":"affected","lessThan":"18.4.3","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.1","versionType":"semver"}],"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"references":["https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/","https://gitlab.com/gitlab-org/gitlab/-/issues/551267","https://hackerone.com/reports/3209641"],"weaknesses":["CWE-840"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/6xxx/CVE-2025-6601.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-6601","state":"PUBLISHED","datePublished":"2025-10-27T00:06:04.304Z","dateUpdated":"2025-11-24T07:26:31.684Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2025-06-25T03:30:45.511Z"},"containers":{"cna":{"title":"Business Logic Errors in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.4","status":"affected","lessThan":"18.4.3","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.1","versionType":"semver"}],"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"references":[{"url":"https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/551267","name":"GitLab Issue #551267","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/3209641","name":"HackerOne Bug Bounty Report #3209641","tags":["technical-description","exploit","permissions-required"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-840","description":"CWE-840: Business Logic Errors","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2025-11-24T07:26:31.684Z"},"credits":[{"lang":"en","type":"finder","value":"Thanks [mateuszek](https://hackerone.com/mateuszek) and [rhidayahh](https://hackerone.com/rhidayahh) for reporting this vulnerability through our HackerOne bug bounty program"}],"solutions":[{"lang":"en","value":"Upgrade to versions 18.4.3, 18.5.1 or above."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-28T15:17:52.854652Z","id":"CVE-2025-6601","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-28T15:18:04.225Z"}}]}}}