CVE-2026-112326: Improper Cleanup on Thrown Exception in GitLab

Severity: low (CVSS 3.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-21 · updated 2026-10-30
Weakness: CWE-460

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with read-only permissions to permanently delete existing vulnerability records due to improper cleanup logic that failed to distinguish between pre-existing records from newly created ones during error handling.

Affected products

GitLab: from 17.8.0 before 19.3.6; from 19.4.0 before 19.4.3; 19.5.0 (and their updates) — fixed in 19.3.6, 19.4.3
GitLab: from 17.8 before 19.3.6; from 19.4 before 19.4.3; from 19.5 before 19.5.1 — fixed in 19.3.6, 19.4.3, 19.5.1

How to fix

Upgrade to a fixed version: GitLab 19.3.6, 19.4.3; GitLab 19.3.6, 19.4.3, 19.5.1. Check the vendor advisory for mitigations.

References

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