CVE-2025-23389
Rancher does not Properly Validate Account Bindings in SAML Authentication Enables User Impersonation on First Login in github.com/rancher/rancher
Description
Rancher does not Properly Validate Account Bindings in SAML Authentication Enables User Impersonation on First Login in github.com/rancher/rancher. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/rancher/rancher from v2.8.0 before v2.8.13, from v2.9.0 before v2.9.7, from v2.10.0 before v2.10.3.
How to fix CVE-2025-23389
To remediate CVE-2025-23389, upgrade the affected package to a fixed version below.
- —upgrade to 2.8.13 or later
- —no fix listed
Is CVE-2025-23389 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 2.8.0, < 2.8.13
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L |