{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-4527","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","state":"PUBLISHED","assignerShortName":"GitLab","dateReserved":"2026-03-20T20:33:50.858Z","datePublished":"2026-05-14T05:34:32.344Z","dateUpdated":"2026-05-14T13:22:37.251Z"},"containers":{"cna":{"title":"Cross-Site Request Forgery (CSRF) in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection."}],"affected":[{"vendor":"GitLab","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"versions":[{"version":"11.10","status":"affected","lessThan":"18.9.7","versionType":"semver"},{"version":"18.10","status":"affected","lessThan":"18.10.6","versionType":"semver"},{"version":"18.11","status":"affected","lessThan":"18.11.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-352: Cross-Site Request Forgery (CSRF)","cweId":"CWE-352","type":"CWE"}]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/594339"},{"url":"https://hackerone.com/reports/3590487","name":"HackerOne Bug Bounty Report #3590487","tags":["technical-description","exploit","permissions-required"]},{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"solutions":[{"lang":"en","value":"Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above."}],"credits":[{"lang":"en","value":"Thanks [maksyche](https://hackerone.com/maksyche) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}],"providerMetadata":{"orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","shortName":"GitLab","dateUpdated":"2026-05-14T05:34:32.344Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-14T13:22:26.022452Z","id":"CVE-2026-4527","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-05-14T13:22:37.251Z"}}]}}