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.
https://hackerone.com/reports/534794
https://gitlab.com/gitlab-org/gitlab-ce/issues/60551
Source: Mitre, NVD
Published: 2019-12-18
Updated: 2026-06-17
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.00044