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9.5 Critical

CVE-2026-44946 A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce …

Description

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 and versions

Product Affected versions Fixed in
Rancher 2.14 2.14.0 → < 2.14.3 2.14.3
Rancher 2.13 2.13.0 → < 2.13.7 2.13.7
Rancher 2.12 2.12.0 → < 2.12.11 2.12.11
Rancher 2.11 2.11.0 → < 2.11.15 2.11.15

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