CVE-2026-6336

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 16.6 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthorized user to view project import source information due to a missing authorization check.

References (3)

Core 3
Core References
Exploit technical-description exploit permissions-required
HackerOne Bug Bounty Report #3661988
https://hackerone.com/reports/3661988

Scores

CVSS v3 5.3
EPSS 0.0026
EPSS Percentile 17.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (3)
GitLab/GitLab 16.6 - 19.0.5
GitLab/GitLab 19.1 - 19.1.3
GitLab/GitLab 19.2 - 19.2.1
Published Jul 29, 2026
Tracked Since Jul 30, 2026