Dashboard / CVE-2026-15723

CVE-2026-15723

HIGH
MEDIUM Priority: 0.04 BB Relevance: 56/100
Published: 2026-10-22 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

Network No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Changed
C: High
I: High
A: None

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.

Weakness Classification (1)

Affected Software (12)

VendorProductVersion
gitlab gitlab 10.1.0 – 19.3.6
gitlab gitlab 10.1.0 – 19.3.6
gitlab gitlab 19.4.0 – 19.4.3
gitlab gitlab 19.4.0 – 19.4.3
gitlab gitlab 19.5.0
gitlab gitlab 19.5.0
gitlab gitlab 10.1.0 – 19.3.6
gitlab gitlab 10.1.0 – 19.3.6
gitlab gitlab 19.4.0 – 19.4.3
gitlab gitlab 19.4.0 – 19.4.3
gitlab gitlab 19.5.0
gitlab gitlab 19.5.0

References & Advisories (3)

Bug Bounty Relevance

56 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

8.2 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS — Exploitation Probability

0.43%
Raw Score 0.004310
Percentile 37.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00431
2026-10-28
0.00431

Intelligence Sources

nvd ref →

External Links