CVE-2019-5469

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-12-18 · updated 2026-06-17
Weakness: CWE-639

Description

An IDOR vulnerability exists in GitLab <v12.1.2, <v12.0.4, and <v11.11.6 that allowed uploading files from project archive to replace other users files potentially allowing an attacker to replace project binaries or other uploaded assets.

Affected products

GitLab: from 11.11.0 before 11.11.6; from 12.0.0 before 12.0.4; from 12.1.0 before 12.1.2 — fixed in 11.11.6, 12.0.4, 12.1.2

How to fix

Upgrade to a fixed version: GitLab 11.11.6, 12.0.4, 12.1.2. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab-ce/issues/60551
https://hackerone.com/reports/534794
https://gitlab.com/gitlab-org/gitlab-ce/issues/60551
https://hackerone.com/reports/534794

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