CVE-2026-15723

Published Oct 22, 2026

Last updated 9 hours ago

Overview

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SAML and LDAP auto-linking were both enabled, an authenticated user could have taken over an existing LDAP-backed account without any interaction from the targeted user, due to improper input sanitization in the LDAP email lookup path used during OmniAuth identity linking.
Source
cve@gitlab.com
NVD status
Analyzed
Products
gitlab

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.2
Impact score
5.8
Exploitability score
1.8
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Severity
HIGH

Weaknesses

cve@gitlab.com
CWE-90

Social media

Hype score
Not currently trending

Configurations