What is CVE-2026-44946?

CVE-2026-44946 is a high-severity vulnerability in Suse Rancher, classified under Authentication Bypass by Capture-replay. CVSS score: 7.4/10. Published 2026-06-30.

How severe is CVE-2026-44946?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Suse Rancher

CVE-2026-44946

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,

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Suse Rancher — versions 2.14.0, 2.13.0, 2.12.0

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

meissner@suse.de (vendor-advisory, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-44946?: CVE-2026-44946 is a high-severity vulnerability in Suse Rancher, classified under Authentication Bypass by Capture-replay. CVSS score: 7.4/10. Published 2026-06-30.
How severe is CVE-2026-44946?: High severity. CVSS v3 base score is 7.4 out of 10.