CVE-2023-3950: Cleartext Storage of Sensitive Information in GitLab

Severity: low (CVSS 3.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-01 · updated 2026-06-17
Weakness: CWE-312

Description

An information disclosure issue in GitLab EE affecting all versions from 16.2 prior to 16.2.5, and 16.3 prior to 16.3.1 allowed other Group Owners to see the Public Key for a Google Cloud Logging audit event streaming destination, if configured. Owners can now only write the key, not read it.

Affected products

GitLab: from 16.2 before 16.2.5; 16.3.0 — fixed in 16.2.5

How to fix

Upgrade to a fixed version: GitLab 16.2.5. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/419675
https://hackerone.com/reports/2079154
https://gitlab.com/gitlab-org/gitlab/-/issues/419675
https://hackerone.com/reports/2079154

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