CVE-2026-12635CWE-350

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

published June 25, 2026

CVSS v3.1
0.0
EPSS
0%
Percentile
15.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
0.0 · NONE
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00249 · 15.3th percentile
Weakness
CWE-350 · Reliance on Reverse DNS Resolution for a Security-Critical Action
Published
2026-06-25T04:33Z
EPSS history
Timeline
  • 25 JUN 04:33Z
    Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab
    cvelistv5