CVE-2026-1184 MEDIUM

CVE-2026-1184: Deserialization of Untrusted Data in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-502 · Unsafe deserialization
Published May 14, 2026
Last update May 14, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 14, 2026 Record updated