Riskcovery

CVE-2026-12635

Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab

State
Published
Severity
0.0 None
Published
Jun 25, 2026
Updated
Jun 25, 2026
Reserved
Jun 18, 2026

Read the record on cve.org

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 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 authenticated user with maintainer-role permissions to make requests to internal network resources through mirror synchronization due to improper URL validation.

Scores

CVSSScoreVectorSource
3.10.0 NoneCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:NGitLab

Weaknesses

  • CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action

Affected Products

ProductVersions
GitLabGitLab
  • 8.3 to before 18.11.6Affected
  • 19.0 to before 19.0.3Affected
  • 19.1 to before 19.1.1Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.