CVE-2025-23389 HIGH

CVE-2025-23389: Rancher does not Properly Validate Account Bindings in SAML Authentication Enables User Impersonation on First Login

Vendor Suse
Product rancher
Weakness CWE-284
Published April 11, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A Improper Access Control vulnerability in SUSE rancher allows a local user to impersonate other identities through SAML Authentication on first login. This issue affects rancher: from 2.8.0 before 2.8.13, from 2.9.0 before 2.9.7, from 2.10.0 before 2.10.3.

Key dates

02Disclosure timeline

April 11, 2025 CVE published
February 26, 2026 Record updated