CVE-2026-47218 runwasi containerd-shim-wasmtime-v1 - Remote Code Execution

runwasi containerd-shim-wasmtime-v1 < 0.6.1 contains a remote code execution caused by trusting and deserializing precompiled Wasmtime bytes from OCI image layers, letting attackers execute native code in the shim process, exploit requires victim to run crafted image.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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
Published
15 October 2026
Updated
16 October 2026
Weakness
CWE-502

Vendor fix

Update to version 0.6.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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