SecuriTricks - CVE-2026-1338

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.

Product(s) Impacted

Vendor	Product	Versions
Gitlab	Gitlab Ce Gitlab Ee	17.10-, <18.9.7 18.10-, <18.10.6, 18.11-*, <18.11.3

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-639

Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

*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	17.10-*	/	/	/	/	/	/
a	gitlab	gitlab_ce	<18.9.7	/	/	/	/	/	/	/
a	gitlab	gitlab_ee	18.10-*	/	/	/	/	/	/
a	gitlab	gitlab_ee	<18.10.6	/	/	/	/	/	/	/
a	gitlab	gitlab_ee	18.11-*	/	/	/	/	/	/
a	gitlab	gitlab_ee	<18.11.3	/	/	/	/	/	/	/

References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

https://gitlab.com/gitlab-org/gitlab/-/work_items/587326

https://hackerone.com/reports/3480620

CVSS Score

4.3 / 10

CVSS Data - 3.1

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

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

View Vector String

Timeline

Published: May 14, 2026, 6:16 a.m.
Last Modified: May 14, 2026, 4:20 p.m.

Status : Undergoing Analysis

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

More info

Source

[email protected]

CVE-2026-1338