{"id":"CVE-2025-9484","state":"PUBLISHED","title":"Missing Authorization in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user to have access to other users' email addresses via certain GraphQL queries.","publishedAt":"2026-04-08T22:27:17.831Z","updatedAt":"2026-04-09T13:03:18.113Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"16.6","status":"affected","lessThan":"18.8.9","versionType":"semver"},{"version":"18.9","status":"affected","lessThan":"18.9.5","versionType":"semver"},{"version":"18.10","status":"affected","lessThan":"18.10.3","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/565363","https://hackerone.com/reports/3303810","https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/9xxx/CVE-2025-9484.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-9484","state":"PUBLISHED","datePublished":"2026-04-08T22:27:17.831Z","dateUpdated":"2026-04-09T13:03:18.113Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2025-08-26T08:33:31.412Z"},"containers":{"cna":{"title":"Missing Authorization in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab EE affecting all versions from 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user to have access to other users' email addresses via certain GraphQL queries."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"16.6","status":"affected","lessThan":"18.8.9","versionType":"semver"},{"version":"18.9","status":"affected","lessThan":"18.9.5","versionType":"semver"},{"version":"18.10","status":"affected","lessThan":"18.10.3","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/565363","name":"GitLab Issue #565363","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/3303810","name":"HackerOne Bug Bounty Report #3303810","tags":["technical-description","exploit","permissions-required"]},{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-04-08T22:27:17.831Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 18.8.9, 18.9.5, 18.10.3 or above."}],"credits":[{"lang":"en","value":"Thanks [mateuszek](https://hackerone.com/mateuszek) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-09T13:03:07.698784Z","id":"CVE-2025-9484","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":"2026-04-09T13:03:18.113Z"}}]}}}