CVE-2026-44946

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,

Scoring

Severity

CRITICAL

CVSS base score

9.5

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H

EPSS probability

0.39%

CWE

CWE-294

Published

2026-06-30

Last modified

2026-07-01

Affected products

• SUSE Rancher
• SUSE Rancher
• SUSE Rancher
• SUSE Rancher

Weakness type

• CWE-294

Related vulnerabilities

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• CVE-2026-84003 — Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability
• CVE-2026-69676 — Windows Kerberos Remote Code Execution Vulnerability
• CVE-2026-73312 — XenForo < 2.3.13 Refresh Token Replay via Expired Access Token
• CVE-2026-73311 — XenForo < 2.3.13 OAuth2 Authorization Code Reuse
• CVE-2022-51016 — PocketMine-MP 3.x before 3.27.0 Authentication Bypass via Login Replay
• CVE-2026-86219 — Authen::SASL::Perl::DIGEST_MD5 versions before 2.2100 for Perl accept replayed authentication responses via unverified nonce in server_step
• CVE-2026-75034 — Rancher: SAML Assertion Replay

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