CVE-2026-44946

SAML Authentication Replay in Rancher

Published Jun 30, 2026 CVSS 4.0 · 9.5 Critical EPSS < 1% KEV · Not listed
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,

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Suse
Suse rancher
Vendors & Products Suse
Suse rancher
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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,
Title SAML Authentication Replay in Rancher
Weaknesses CWE-294
References
Metrics cvssV4_0

{'score': 9.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Jul 1, 2026, 3:55 AM
Reserved
May 8, 2026, 12:29 PM
Status
Analyzed
Published
Jun 30, 2026, 1:18 PM
Modified
Jul 2, 2026, 7:58 PM