CVE-2026-0752
8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 16.2 < 18.7.5 | affected |
| GitLab | GitLab | 18.8 < 18.8.5 | affected |
| GitLab | GitLab | 18.9 < 18.9.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/585371
- https://hackerone.com/reports/3473276
- https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/
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