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Low severity3.5NVD Advisory· Published Apr 22, 2026· Updated Apr 23, 2026

CVE-2026-3254

CVE-2026-3254

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to load unauthorized content into another user's browser due to improper input validation in the Mermaid sandbox.

Affected products

2
  • GitLab Inc./GitLab2 versions
    cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*+ 1 more
    • cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*
    • cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

No linked articles in our index yet.