CVE-2026-92883
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have
Published Oct 12, 2026 · updated Oct 14, 2026 · GitLab GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' brows
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NIST NVD
Detected
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted out
Oct 14, 2026 · NIST NVD
Updated
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted out
Affected
- cpe gitlab/gitlabversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-92883
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-92883
30-day exploitation probability 0.3%
first.org - GitLab Security ReleasesVendor advisoryCVE-2026-92883
On October 12, 2026, we released versions 19.4.2, 19.3.5, 19.2.8 for GitLab Community Edition (CE) and Enterprise Edition (EE). 19.3.4 had a bug that affected merge request pages when the Ona integration was enabled. This is fixed in 19.3.5. These versions contain important bug a
docs.gitlab.com - NIST NVDVulnerability recordCVE-2026-92883
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' brows
nvd.nist.gov