CVE-2026-1080

Authorization Bypass Through User-Controlled Key in GitLab

State: Published
Severity: 4.3 Medium
Published: Feb 11, 2026
Updated: Feb 11, 2026
Reserved: Jan 16, 2026

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 16.7 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to access iteration data from private descendant groups by querying the iterations API endpoint.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
GitLabGitLab	16.7 to before 18.6.6Affected 18.7 to before 18.7.4Affected 18.8 to before 18.8.4Affected

References

GitLab Issue #586477issue-trackingpermissions-required
HackerOne Bug Bounty Report #3484568technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/

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