CVE-2026-89078
Public on 2026-09-24
Modified on 2026-10-24
Description
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.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | ruby | Not Affected | ||
| Amazon Linux 2 - Ruby2.4 Extra | ruby | No Fix Planned | ||
| Amazon Linux 2 - Ruby2.6 Extra | ruby | No Fix Planned | ||
| Amazon Linux 2 - Ruby3.0 Extra | ruby | No Fix Planned | ||
| Amazon Linux 2023 | ruby3.2 | No Fix Planned | ||
| Amazon Linux 2023 | ruby3.4 | Pending Fix | ||
| Amazon Linux 2027 Preview | ruby3.4 | Pending Fix | ||
| Amazon Linux 2023 | ruby4.0 | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |