CVE-2026-44946 · Symaro Security Advisory

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,

Severity (CVSS)

Base score	9.5
Severity	Critical
Version	CVSS 4.0
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
Provided by	CNA

Weaknesses

CWE-294 — CWE-294 Authentication bypass by capture-replay

Affected products

Vendor	Product	Versions
SUSE	Rancher	2.14.0 to <2.14.3; 2.13.0 to <2.13.7; 2.12.0 to <2.12.11; 2.11.0 to <2.11.15

References

https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95 (vendor-advisory)

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 01 Jul 2026 07:05 UTC.