How severe is CVE-2026-44946?

CVE-2026-44946 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-44946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-44946?

CVE-2026-44946 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-44946 published?

CVE-2026-44946 was published on 2026-06-30 and last updated on 2026-07-02.

CVE-2026-44946

CVE-2026-44946 is a high-severity vulnerability in Suse Rancher with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v4: 9.5
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-294
Affected product: Suse Rancher
Published: 2026-06-30
Last modified: 2026-07-02

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,

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,
How severe is CVE-2026-44946?: CVE-2026-44946 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-44946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-44946?: CVE-2026-44946 affects Suse Rancher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-44946 published?: CVE-2026-44946 was published on 2026-06-30 and last updated on 2026-07-02.

References

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

Affected products (1)

cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*

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