CVE-2023-3363: Insertion of Sensitive Information into Log File in GitLab

Severity: low (CVSS 3.8 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: 2023-07-13 · updated 2026-06-17
Weakness: CWE-532

Description

An information disclosure issue in Gitlab CE/EE affecting all versions from 13.6 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1, resulted in the Sidekiq log including webhook tokens when the log format was set to `default`.

Affected products

GitLab: from 13.6 before 15.11.10; from 16.0.0 before 16.0.6; from 16.1 before 16.1.1 — fixed in 15.11.10, 16.0.6, 16.1.1

How to fix

Upgrade to a fixed version: GitLab 15.11.10, 16.0.6, 16.1.1. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/409034
https://gitlab.com/gitlab-org/gitlab/-/issues/409034

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