Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2026-15723 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/	[email protected]	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/605977	[email protected]	Permissions Required
https://hackerone.com/reports/3852192	[email protected]	Permissions Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-90	Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')	[email protected]

Affected Products

Product	Versions
gitlab gitlab	>= 10.1.0, < 19.3.6 >= 19.4.0, < 19.4.3 19.5.0
CPE cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:19.5.0::::community::: cpe:2.3:a:gitlab:gitlab:19.5.0::::enterprise::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Nov 4, 2026	CVE Translated	[email protected]
Oct 27, 2026	Initial Analysis	[email protected]
Oct 23, 2026	CVE Modified	CISA-ADP
Oct 23, 2026	CVE Modified	CISA-ADP
Oct 22, 2026	New CVE Received	[email protected]