CVE-2026-82837

Insertion of Sensitive Information Into Sent Data in GitLab

State: Published
Severity: 5.3 Medium
Published: Sep 15, 2026
Updated: Sep 20, 2026
Reserved: Aug 31, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that certain conditions could have allowed an authenticated user to access sensitive credentials and tokens without transiting the expected proxy due to improper authorization checks on internal data emission endpoints.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
GitLabGitLab	10.1.0 to before 19.1.8Affected 19.2 to before 19.2.6Affected 19.3 to before 19.3.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/626540
HackerOne Bug Bounty Report #3907835technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/610136

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