CVE-2026-2238

Medium

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.

SeverityMedium
CVSS5.3
Exploit probability—
ProductGitlab
PublishedJun 25, 2026
First seenJun 25, 2026

How to fix

Update
  • gitlab gitlab18.11.6, 19.0.3 or later

Affected products

ProductAffected versionsFixed in
gitlab gitlab17.5.0 ≤ v < 18.11.6, 19.0.0 ≤ v < 19.0.3, 19.1.018.11.6, 19.0.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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