CVE-2026-44946

HIGH

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,

CVSS v3.1 Score

7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Published: 6/30/2026Modified: 7/2/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-44946 — A SAML authentication replay vulnerability in Rancher's Assertion Consumer Serv...

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,

CVE-2026-44946
NIST NVD

References (1)

https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95Vendor AdvisoryMitigation