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wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
Affected packages
- wasmtime-wasi
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2r75-cxrj-cmph
- https://nvd.nist.gov/vuln/detail/CVE-2026-47261
- https://github.com/bytecodealliance/wasmtime
- https://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.9
- https://github.com/bytecodealliance/wasmtime/releases/tag/v36.0.10
- https://github.com/bytecodealliance/wasmtime/releases/tag/v44.0.2
- https://github.com/bytecodealliance/wasmtime/releases/tag/v45.0.0
- https://rustsec.org/advisories/RUSTSEC-2026-0149.html
Structured record: https://osv.dev/vulnerability/GHSA-2r75-cxrj-cmph
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