EUVD-2026-40335Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from Vendor (suse) · only source for this CVE.
CVSS VectorVendor: suse
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Authentication bypass in SUSE Rancher's in-cluster admission webhook (rancher-webhook) lets a network-adjacent, unauthenticated attacker forge FleetWorkspace admission payloads so that workspace-related Kubernetes objects are created with attacker-chosen identity data. Affected releases span Rancher 0.7.0–0.7.10, 0.8.0–0.8.7, 0.9.0–0.9.6 and 0.10.0–0.10.7, with integrity impact but no direct confidentiality or availability loss. …
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Recommended ActionAI
Within 24 hours: Identify all Rancher deployments and document which affected versions (0.7.0-0.7.10, 0.8.0-0.8.7, 0.9.0-0.9.6, 0.10.0-0.10.7) are in production. …
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External POC / Exploit Code
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