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WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction

🗓️ 21 May 2026 12:00:00Reported by rustsecType 
rustsec
 rustsec
🔗 rustsec.org👁 13 Views

Wasmtime advisory notes WASI path_open(TRUNCATE) bypasses host FilePerms::WRITE.

Related
Detection
Vulners
Node
bytecodealliancewasmtime-wasiRange0.0.024.0.9rust
OR
bytecodealliancewasmtime-wasiRange25.0.036.0.10rust
OR
bytecodealliancewasmtime-wasiRange37.0.044.0.2rust
OR
bytecodealliancewasmtime-wasiRange45.0.045.0.0rust

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22 May 2026 10:02Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.005
SSVC
13