cvedb.io
CVE-2026-3254
LOW · CVSS 3.5
EPSS exploitation probability: 0%
Published 2026-04-22T17:16:43.433 · Last modified 2026-06-17T10:43:16.920

Summary

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

gitlab — gitlab

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.