CVE-2026-5796

MEDIUM

Incorrect Authorization in GitLab

Title source: cna
STIX 2.1

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with Reporter-level group permissions to view package metadata from projects with the Package Registry disabled due to incorrect authorization checks in the group packages feature.

References (3)

Core 3
Core References
Exploit technical-description exploit permissions-required
HackerOne Bug Bounty Report #3646902
https://hackerone.com/reports/3646902

Scores

CVSS v3 4.3
EPSS 0.0019
EPSS Percentile 9.2%
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 none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (5)
gitlab/gitlab 19.1.0
GitLab/GitLab 13.6 - 18.11.6
gitlab/gitlab 13.6.0 - 18.11.6
GitLab/GitLab 19.0 - 19.0.3
GitLab/GitLab 19.1 - 19.1.1
Published Jun 25, 2026
Tracked Since Jun 25, 2026