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.
Published: 2026-09-23
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Upgrade to versions 19.2.7, 19.3.3, 19.4.1 or above.

Tracking

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Advisories

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History

Thu, 24 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 23 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title Double Free in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-415
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-09-24T13:24:57.165Z

Reserved: 2026-09-10T19:06:37.759Z

Link: CVE-2026-89078

cve-icon Vulnrichment

Updated: 2026-09-24T13:24:54.274Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-24T00:17:22.060

Modified: 2026-09-24T15:03:53.487

Link: CVE-2026-89078

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-24T01:00:13Z

Weaknesses