CVE-2023-3362: Generation of Error Message Containing Sensitive Information in GitLab

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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-209

Description

An information disclosure issue in GitLab CE/EE affecting all versions from 16.0 prior to 16.0.6, and version 16.1.0 allows unauthenticated actors to access the import error information if a project was imported from GitHub.

Affected products

GitLab: from 16.0.0 before 16.0.6; 16.1.0 — fixed in 16.0.6

How to fix

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

References

https://gitlab.com/gitlab-org/gitlab/-/issues/415131
https://gitlab.com/gitlab-org/gitlab/-/issues/415131

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