CVE-2026-44945Cross-Cluster Impersonation Confused-Deputy Privilege Escalation
Updated under an hour ago ()
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It affects SUSE Rancher. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it manages. This issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-441, CWE-497
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- suse
- NVD analysis
- Awaiting Analysis
- Record last updated
- Aug 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
SUSE Rancher suse:rancher (from the name) | from 2.11.0 before 2.11.16; fixed at 2.11.16; from 2.12.0 before 2.12.12; fixed at 2.12.12; from 2.13.0 before 2.13.8; fixed at 2.13.8; from 2.14.0 before 2.14.2; fixed at 2.14.4 | CNA record |
References
- https://github.com/rancher/rancher/pull/55983patch
- https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpqvendor-advisory
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945issue-tracking
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.