CVE-2026-18252Inclusion of Functionality from Untrusted Control Sphere in GitLab
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-829
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitLab
- NVD analysis
- Analyzed
- Record last updated
- Aug 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GitLab GitLab gitlab:gitlab | from 18.9 before 19.1.7; from 19.2 before 19.2.5; from 19.3 before 19.3.1 | CNA record |
gitlab gitlab gitlab:gitlab | from 18.9.0 before 19.1.7; from 19.2.0 before 19.2.5; 19.3.0 | NVD |
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/607342issue-tracking
- https://hackerone.com/reports/3863650technical-description, exploit, permissions-required, third-party-advisory
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/release-notes, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.