CVE-2026-1080

MEDIUM

Gitlab < 18.6.6 - IDOR

Title source: rule

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.

References (3)

[Release Notes, Vendor Advisory] https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/

[Broken Link, Issue Tracking] https://gitlab.com/gitlab-org/gitlab/-/issues/586477

[Permissions Required] https://hackerone.com/reports/3484568

Scores

CVSS v3 4.3

EPSS 0.0001

EPSS Percentile 2.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Classification

CWE

CWE-639

Status published

Affected Products (1)

gitlab/gitlab < 18.6.6

Timeline

Published Feb 11, 2026

Tracked Since Feb 18, 2026