CVE-2026-6267

Insertion of Sensitive Information Into Sent Data in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Developer role to access unauthorized information due to insufficient access controls on internal request handling.

Affected

GitLab

CVSS v3.1 NVD

5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 GITLAB

8.5 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.61% chance of exploitation in the next 30 days, 48th percentile

Published

2026-07-29

Updated

2026-07-31

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3658324

Security advisories

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released

References

• CVE Record
• NVD entry