{"id":"CVE-2026-2995","state":"PUBLISHED","title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content.","publishedAt":"2026-03-25T16:33:58.853Z","updatedAt":"2026-03-26T13:20:13.378Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"15.4","status":"affected","lessThan":"18.8.7","versionType":"semver"},{"version":"18.9","status":"affected","lessThan":"18.9.3","versionType":"semver"},{"version":"18.10","status":"affected","lessThan":"18.10.1","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://hackerone.com/reports/3564600","https://gitlab.com/gitlab-org/gitlab/-/work_items/591065","https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/"],"weaknesses":["CWE-80"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2995.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2995","state":"PUBLISHED","datePublished":"2026-03-25T16:33:58.853Z","dateUpdated":"2026-03-26T13:20:13.378Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-02-22T23:34:07.544Z"},"containers":{"cna":{"title":"Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"15.4","status":"affected","lessThan":"18.8.7","versionType":"semver"},{"version":"18.9","status":"affected","lessThan":"18.9.3","versionType":"semver"},{"version":"18.10","status":"affected","lessThan":"18.10.1","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://hackerone.com/reports/3564600","name":"HackerOne Bug Bounty Report #3564600","tags":["technical-description","exploit","permissions-required"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/591065"},{"url":"https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-80","lang":"en","description":"CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-03-25T16:33:58.853Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 18.8.7, 18.9.3, 18.10.1 or above."}],"credits":[{"lang":"en","value":"Thanks [a_m_a_m](https://hackerone.com/a_m_a_m) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-26T03:55:35.901615Z","id":"CVE-2026-2995","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-26T13:20:13.378Z"}}]}}}