CVE-2026-1080

MEDIUM

GitLab 16.7-18.6.5, 18.7-18.7.3, 18.8-18.8.3 - Authenticated Authorization Bypass via Iterations API

Title source: llm
STIX 2.1

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)

Core 3
Core References
Broken Link, Issue Tracking issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/586477
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3484568

Scores

CVSS v3 4.3
EPSS 0.0019
EPSS Percentile 9.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (1)
gitlab/gitlab 16.7.0 - 18.6.6
Published Feb 11, 2026
Tracked Since Feb 18, 2026