CVE-2026-89078CWE-415

CVE-2026-89078

Critical · published September 24, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
37.2
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00440 · 37.2th percentile
Weakness
CWE-415 · Double Free
Published
2026-09-24T04:17Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 19.2.0, < 19.2.719.2.7
gitlab/gitlab≥ 19.2.0, < 19.2.719.2.7
gitlab/gitlab≥ 19.3.0, < 19.3.319.3.3
gitlab/gitlab≥ 19.3.0, < 19.3.319.3.3
gitlab/gitlaball versions—
gitlab/gitlaball versions—
References (3)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/628577 · [email protected]https://hackerone.com/reports/4019059 · [email protected]
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 23:05Z
    Double Free in GitLab
    cvelistv5