CVE-2026-44945
criticalpriority · track · 0EPSS 0.006 · 46 %ileDEEUEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2600Rancher: Mehrere SchwachstellenDeutsch2026-07-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Rancher ausnutzen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, und um Informationen offenzulegen.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://github.com/rancher/rancher/pull/55983cnnvd
- https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpqcnnvd
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945enisa_euvd
- https://github.com/rancher/rancher/pull/55983enisa_euvd
- https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpqenisa_euvd
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945nvd
- https://github.com/rancher/rancher/pull/55983nvd
- https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpqnvd
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