CVE-2026-44946

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,

CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0029

Probability of exploitation

0.21%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-294 CWE-294

Affected Products

Vendor	Product	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

References

Advisories & Patches

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

Frequently Asked Questions

What is 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, It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-44946? +

CVE-2026-44946 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0029, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44946? +

CVE-2026-44946 affects products from suse, specifically: rancher. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44946? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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