by Kastro
Paper/Archive/CVE-2026-44946

CVE-2026-44946

SUSE Rancher — SAML Authentication Replay in Rancher

EPSS 0.4%CVSS 9.5
critical.is priorityof 100
35
CVSS 9.5 (CNA)9.5 / 10 × 3028.5Not in CISA KEV+300.0EPSS percentile 32.8.328 × 206.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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,

Affected

ProductAffectedFixed inSource
Rancher2.14.0 – < 2.14.32.14.3CNA
Rancher2.13.0 – < 2.13.72.13.7CNA
Rancher2.12.0 – < 2.12.112.12.11CNA
Rancher2.11.0 – < 2.11.152.11.15CNA

Scores by source

suse (CNA)9.5CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95