CVE-2026-44946 - Vulnerability Details - OpenCVE

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,

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products

References

Link	Providers
https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95

History

Tue, 30 Jun 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 30 Jun 2026 12:30:00 +0000

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		https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95
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'}`

MITRE

Status: PUBLISHED

Assigner: suse

Published: 2026-06-30T12:14:54.269Z

Updated: 2026-06-30T13:44:26.795Z

Reserved: 2026-05-08T12:29:48.969Z

Link: CVE-2026-44946

Vulnrichment

Updated: 2026-06-30T13:44:21.786Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-06-30T14:00:06Z

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