CVE-2023-51661

HIGH 8.6CVE-2023-51661 · Published 22/12/2023 · updated 17/06/2026

In short

CVE-2023-51661 is a HIGH (CVSS 8.6) vulnerability affecting wasmer (wasmer).
Chance of exploitation in the next 30 days (EPSS): 0.60%, higher than 48.7% of all vulnerabilities.
Fix: update to 4.2.4 or later.

Package	Affected versions	Patched versions
wasmer wasmer	`≥ 3.0.0, < 4.2.4`	`4.2.4`

Description

Wasmer is a WebAssembly runtime that enables containers to run anywhere: from Desktop to the Cloud, Edge and even the browser. Wasm programs can access the filesystem outside of the sandbox. Service providers running untrusted Wasm code on Wasmer can unexpectedly expose the host filesystem. This vulnerability has been patched in version 4.2.4.

References

wasmerio/wasmer commit 4d63feb · Patch
wasmerio/wasmer · Issue Tracking
wasmerio/wasmer security advisory · Exploit

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