Quick answers
- Is CVE-2026-44946 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-44946 being exploited in the wild.
- How severe is CVE-2026-44946?
- Informational severity, with a CVSS score of 9.5, published 30 June 2026.
- Which products and versions are affected?
- Suse Rancher >=2.11.0, <2.11.15.
- Is there a fix for CVE-2026-44946?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-44946 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-44946?
- Check whether you run Suse Rancher at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A capture-replay vulnerability (CWE-294) exists in Rancher's shared SAML Assertion Consumer Service (ACS) handler within 'pkg/auth/providers/saml/saml_client.go'. The application fails to enforce one-time use of SAML assertions, allowing a previously signed SAML response to be submitted multiple times. To exploit this, an attacker must obtain a valid signed SAML response and the corresponding pre-authentication state cookie (e.g., via network interception or XSS). Successful exploitation results in full session impersonation with the victim's privileges. The fix introduces server-side tracking of assertion IDs in an in-memory cache and enforces strict NotBefore/NotOnOrAfter time validation.
Affected products
- 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
Timeline
- 2026-06-29: advisory: GitHub advisory published by Rancher team
- 2026-06-30: disclosed: NVD publication date