CVE-2026-44946

critical · 9.5

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,

9.5

CVSS

0.4%

EPSS (exploit prob.)

33rd

EPSS percentile

2026-06-30

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-294

Affected products

Vendor	Product	Affected versions
suse	rancher	>= 2.11.0, < 2.11.15
suse	rancher	>= 2.12.0, < 2.12.11
suse	rancher	>= 2.13.0, < 2.13.7
suse	rancher	>= 2.14.0, < 2.14.3

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-44946