{"id":"CVE-2026-44945","published":"2026-08-05T10:17:27.460","lastModified":"2026-08-06T05:17:03.793","description":"A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user\n global role can gain full administrative access to the Rancher control \nplane and transitively to all downstream clusters it manages.\n\nThis 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.","cvssScore":9.1,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-441","CWE-497"],"vendors":[],"products":[],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945","tags":[]},{"url":"https://github.com/rancher/rancher/pull/55983","tags":[]},{"url":"https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq","tags":[]}],"exploitRefs":[{"url":"https://github.com/rancher/rancher/pull/55983","tags":[]},{"url":"https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq","tags":[]}],"hasPoc":true,"ai":{"summary":"A privilege escalation vulnerability allows authenticated users to gain full administrative access, bypassing role-based access controls.","exploitability":"Exploitation is relatively straightforward for an attacker with basic authentication credentials, requiring no additional user interaction.","blast_radius":"If exploited, this vulnerability could lead to complete control over the Rancher control plane and all managed clusters, with severe consequences for the organization's infrastructure.","remediation":"Upgrade to Rancher 2.11.16 or later, 2.12.12 or later, 2.13.8 or later, or 2.14.2 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["privilege-escalation","rancher","admin-access","vulnerability"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-29T09:09:54.068Z"}}