CVE-2026-0752
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the…
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/585371Broken Link
- https://hackerone.com/reports/3473276Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.