{"id":"CVE-2025-11990","state":"PUBLISHED","title":"Improper Handling of URL Encoding (Hex Encoding) in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to gain CSRF tokens by exploiting improper input validation in repository references combined with redirect handling weaknesses.","publishedAt":"2025-11-15T08:03:49.850Z","updatedAt":"2025-11-17T20:11:14.935Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.4","status":"affected","lessThan":"18.4.4","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/","https://gitlab.com/gitlab-org/gitlab/-/issues/577850","https://hackerone.com/reports/3257843"],"weaknesses":["CWE-177"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11990.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11990","state":"PUBLISHED","datePublished":"2025-11-15T08:03:49.850Z","dateUpdated":"2025-11-17T20:11:14.935Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2025-10-20T19:33:38.573Z"},"containers":{"cna":{"title":"Improper Handling of URL Encoding (Hex Encoding) in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to gain CSRF tokens by exploiting improper input validation in repository references combined with redirect handling weaknesses."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.4","status":"affected","lessThan":"18.4.4","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/577850","name":"GitLab Issue #577850","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/3257843","name":"HackerOne Bug Bounty Report #3257843","tags":["technical-description","exploit","permissions-required"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-177","lang":"en","description":"CWE-177: Improper Handling of URL Encoding (Hex Encoding)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2025-11-15T08:03:49.850Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 18.3.6, 18.4.4, 18.5.2 or above."}],"credits":[{"lang":"en","value":"Thanks [swiftee](https://hackerone.com/swiftee) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-17T20:11:06.587307Z","id":"CVE-2025-11990","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":"2025-11-17T20:11:14.935Z"}}]}}}