CVE-2026-8330: Insertion of Sensitive Information into Log File in GitLab

Severity: medium (CVSS 4.4 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: 2026-06-25 · updated 2026-06-26
Weakness: CWE-532

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed sensitive information to be written to application logs due to insufficient filtering in a CI/CD API endpoint.

Affected products

GitLab: from 9.3.0 before 18.11.6; from 19.0.0 before 19.0.3; 19.1.0 — fixed in 18.11.6, 19.0.3

How to fix

Upgrade to a fixed version: GitLab 18.11.6, 19.0.3. Check the vendor advisory for mitigations.

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/599621

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