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Critical severity9.9NVD Advisory· Published Sep 24, 2026· Updated Oct 31, 2026

CVE-2026-89078

CVE-2026-89078

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

7
  • GitLab Inc./GitLab EE and CEllm-fuzzy
    Range: from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1
  • GitLab Inc./GitLabllm-fuzzy5 versions
    from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1+ 4 more
    • (no CPE)range: from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=19.2.0,<19.2.7
    • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=19.2.0,<19.2.7
    • cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:community:*:*:*
    • cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:enterprise:*:*:*
  • osv-coords
    pkg:bitnami/gitlab
    Range: >= 19.2.0, < 19.2.7

Patches

Vulnerability mechanics

References

3

News mentions

8