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Critical vulnerability

Critical privilege escalation in Rancher (CVE-2026-94290)

Privilege escalation in Rancher · Servers and applications

CVE-2026-94290

Privilege escalation to cluster-admin on the Rancher local cluster through Fleet's agent management controller

Severity
Critical 9.1
Published
2 Nov 2026
Fixed in
0.14.12, 0.15.8, 0.16.3
SoftwareAffected versions
RancherServers and applications
  • From 0.16.0 before 0.16.3
  • From 0.15.0 before 0.15.8
  • From 0.14.0 before 0.14.12
  • From 0.13.0 before 0.13.17
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-94290
Everything about CVE-2026-94290

From NVD, the CVE Program, OSV.dev with the GitHub Advisory Database, WPVulnerability, WordPress's security advisories and CISA's Known Exploited Vulnerabilities catalog, as they stood when this was written. Each vulnerability's own page has its latest rating and fix. This product uses the NVD API but is not endorsed or certified by the NVD.