CVE-2026-44949

Summary

A Rancher FleetWorkspace admission path allowed side effects to occur in the Rancher webhook handler for versions 0.7.0 up to 0.7.10, 0.8.0 up to 0.8.7, 0.9.0 up to 0.9.6 and 0.10.0 up to 0.10.7. An unauthenticated attacker with network access to the in-cluster rancher-webhook service could submit a crafted admission payload and cause workspace-related Kubernetes objects to be created with attacker-chosen identity data.

Affected Software

VendorProductVersion RangeStatus
SUSERancher0.7.0 < 0.7.10affected
SUSERancher0.8.0 < 0.8.7affected
SUSERancher0.9.0 < 0.9.6affected
SUSERancher0.10.0 < 0.10.7affected

Weaknesses

  • CWE-306: CWE-306 Missing authentication for critical function

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References