CVE-2026-44949

unknowncovered by 1 sourcefirst seen 2026-06-30

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.

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Exploitation outlook

Low exploitation risk0.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownCVE-2026-44949: A Rancher FleetWorkspace admission path allowed side effects to occur in the Rancher webhook h…nvd · 2026-06-30

External references

NVD record for CVE-2026-44949

CVE.org record

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