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Servers and applications

CVE-2022-31247

Downstream cluster privilege escalation through cluster and project role template binding (CRTB/PRTB)

Severity
Critical 9.1
Published
19 Aug 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.5.16, 2.6.7
Also known as
GHSA-6x34-89p7-95wg
Sources
NVD, Project advisories (GitHub)

Description

An Improper Authorization vulnerability in SUSE Rancher, allows any user who has permissions to create/edit cluster role template bindings or project role template bindings (such as cluster-owner, manage cluster members, project-owner and manage project members) to gain owner permission in another project in the same cluster or in another project on a different downstream cluster. This issue…

Affected software

SoftwareAffected versions
RancherServers and applications · cpe:a:suse:rancher
  • From 2.5.0 before 2.5.16
  • From 2.6.0 before 2.6.7
RancherServers and applications · github:rancher/rancher
  • From 2.5.0 before 2.5.16
  • From 2.6.0 before 2.6.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-31247
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-31247
  • GitHub Advisory Database https://github.com/advisories/GHSA-6x34-89p7-95wg
  • github.com https://github.com/rancher/rancher/security/advisories/GHSA-6x34-89p7-95wg