VULNRABLE / Vulnerability / CVE-2026-58494

CVE-2026-58494

MEDIUM LOW wasmtime-wasi GHSA

Exploit verdict: No active-exploit signal

CVSS Score

5.5

Severity

MEDIUM

EPSS

Source

GHSA

Summary

Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination

What this means

CVE-2026-58494 is a medium-severity vulnerability affecting wasmtime-wasi, rated CVSS 5.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published October 16, 2026.

View full advisory at GHSA →