CVE-2026-44946: Suse Rancher

High severity, CVSS 7.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,

Affected products

• Suse Rancher: from 2.11.0, before 2.11.15 (fixed in 2.11.15); from 2.12.0, before 2.12.11 (fixed in 2.12.11); from 2.13.0, before 2.13.7 (fixed in 2.13.7); from 2.14.0, before 2.14.3 (fixed in 2.14.3)

Published 2026-06-30. Last modified 2026-07-02.