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: n/a
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

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'}

Subscriptions

Gitlab Gitlab
cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-09-23T23:05:20.132Z

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

Link: CVE-2026-89078

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses