CVE-2026-6267

Insertion of Sensitive Information Into Sent Data in GitLab

State: Published
Severity: 8.5 High
Published: Jul 29, 2026
Updated: Jul 31, 2026
Reserved: Apr 14, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H	GitLab

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
GitLabGitLab	10.1.0 to before 19.0.5Affected 19.1 to before 19.1.3Affected 19.2 to before 19.2.1Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/596606
HackerOne Bug Bounty Report #3658324technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/

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