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Critical vulnerability

Critical vulnerability in Rancher (CVE-2026-88811)

Rancher · Servers and applications

CVE-2026-88811

Rancher credentials disclosed to third-party hosts by the Rancher Manager meta proxy

Severity
Critical 9.1
Published
2 Nov 2026
Fixed in
2.13.11, 2.14.7, 2.15.3
SoftwareAffected versions
RancherServers and applications
  • From 2.15.0 before 2.15.3
  • From 2.14.0 before 2.14.7
  • From 2.13.0 before 2.13.11
  • From 2.12.0 before 2.12.15
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-88811
Everything about CVE-2026-88811

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.