SecuriTricks - CVE-2026-6269

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.

Product(s) Impacted

Vendor	Product	Versions
Gitlab	Gitlab Ce	*, 15.10, 18.11, 19.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	gitlab	gitlab_ce	/	<18.10.8	/	/	/	/	/	/
a	gitlab	gitlab_ce	15.10	/	/	/	/	/	/	/
a	gitlab	gitlab_ce	18.11	/	<18.11.5	/	/	/	/	/
a	gitlab	gitlab_ce	19.0	/	<19.0.2	/	/	/	/	/

References

https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/

https://gitlab.com/gitlab-org/gitlab/-/work_items/596625

https://hackerone.com/reports/3661880

CVSS Score

5.4 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: LOW
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: June 11, 2026, 12:16 p.m.
Last Modified: June 11, 2026, 12:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-6269