A vulnerability has been identified within Rancher Manager whereby the SAML authentication from the Rancher CLI tool is vulnerable to phishing attacks. The custom authentication protocol for SAML-based providers can be abused to steal Rancher’s authentication tokens.
https://github.com/rancher/rancher/security/advisories/GHSA-v3vj-5868-2ch2
Published: 2025-10-02
Updated: 2026-04-15
Named Vulnerability: GO-2025-3984Named Vulnerability: GHSA-v3vj-5868-2ch2
Base Score: 7.1
Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Severity: High
EPSS: 0.00233