CVE-2025-23391: Rancher: Restricted Administrator can change Administrator's passwords

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-11 · updated 2026-06-17
Weakness: CWE-266

Description

A Incorrect Privilege Assignment vulnerability in SUSE rancher allows a Restricted Administrator to change the password of Administrators and take over their accounts. This issue affects rancher: from 2.8.0 before 2.8.14, from 2.9.0 before 2.9.8, from 2.10.0 before 2.10.4.

Affected products

SUSE Rancher: from 2.8.0 before 2.8.14; from 2.9.0 before 2.9.8; from 2.10.0 before 2.10.4 — fixed in 2.10.4, 2.8.14, 2.9.8

How to fix

Upgrade to a fixed version: SUSE Rancher 2.10.4, 2.8.14, 2.9.8. Check the vendor advisory for mitigations.

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-23391
https://github.com/rancher/rancher/security/advisories/GHSA-8p83-cpfg-fj3g

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