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wasmtime-wasi (crates.io)

Advisories
24
Latest version
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License
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OpenSSF Scorecard
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How to fix

Upgrading to 50.0.1 or later clears every advisory below that has a fix.

Upgrade commands
cargo
cargo update -p wasmtime-wasi --precise 50.0.1

Known vulnerabilities

AdvisorySeverityAffectedFixed in
RUSTSEC-2026-0420
wasip3 UDP `send` can deliver a datagram to an address only allowed for receiving
Medium
>= 48.0.0, < 48.0.8
>= 49.0.0, < 49.0.5
>= 50.0.0, < 50.0.1
48.0.8
49.0.5
50.0.1
RUSTSEC-2026-0352
Filesystem sandbox escape when renaming symlinks with trailing slashes
Not rated yet
EPSS 0.24%
>= 0.0.0-0, < 36.0.18
>= 37.0.0, < 48.0.6
>= 49.0.0, < 49.0.3
36.0.18
48.0.6
49.0.3
RUSTSEC-2026-0321
WASI preview 0 implementation of `poll_oneoff` circumvents fuel consumption
Medium
EPSS 0.12%
>= 0.0.0-0, < 36.0.17
>= 37.0.0, < 48.0.4
>= 49.0.0, < 49.0.2
36.0.17
48.0.4
49.0.2
RUSTSEC-2026-0324
Guest can panic host through filesystem timestamp before the epoch on wasip3
Medium
EPSS 0.11%
>= 46.0.0, < 48.0.4
>= 49.0.0, < 49.0.2
48.0.4
49.0.2
RUSTSEC-2026-0322
Excessive allocated memory on the host when guests don't have stdio
Medium
EPSS 0.21%
>= 0.0.0-0, < 36.0.17
>= 37.0.0, < 48.0.4
>= 49.0.0, < 49.0.2
36.0.17
48.0.4
49.0.2
RUSTSEC-2026-0323
fd_readdir copies uninitialized struct padding into guest memory
Low
EPSS 0.20%
>= 0.0.0-0, < 36.0.17
>= 37.0.0, < 48.0.4
>= 49.0.0, < 49.0.2
36.0.17
48.0.4
49.0.2
RUSTSEC-2026-0314
Guest can panic host through filesystem datetime overflow
Medium
EPSS 0.11%
>= 0.0.0-0, < 36.0.16
>= 37.0.0, < 48.0.3
>= 49.0.0, < 49.0.1
36.0.16
48.0.3
49.0.1
GHSA-4ch3-9j33-3pmj
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
Medium
EPSS 0.17%
>= 46.0.0, < 46.0.1
46.0.1
GHSA-4ch3-9j33-3pmj
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
Medium
EPSS 0.17%
< 24.0.11
24.0.11
GHSA-4ch3-9j33-3pmj
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
Medium
EPSS 0.17%
>= 25.0.0, < 36.0.12
36.0.12
GHSA-4ch3-9j33-3pmj
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
Medium
EPSS 0.17%
>= 0.0.0-0, < 24.0.11
>= 25.0.0, < 36.0.12
>= 37.0.0, < 45.0.3
>= 46.0.0, < 46.0.1
24.0.11
36.0.12
45.0.3
46.0.1
GHSA-4ch3-9j33-3pmj
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
Medium
EPSS 0.17%
>= 37.0.0, < 45.0.3
45.0.3
GHSA-3p27-qvp9-27qf
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Medium
EPSS 0.37%
>= 25.0.0, < 36.0.11
36.0.11
GHSA-3p27-qvp9-27qf
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Medium
EPSS 0.37%
>= 0.0.0-0, < 24.0.10
>= 25.0.0, < 36.0.11
>= 37.0.0, < 44.0.3
>= 45.0.0, < 45.0.2
24.0.10
36.0.11
44.0.3
45.0.2
GHSA-3p27-qvp9-27qf
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Medium
EPSS 0.37%
< 24.0.10
24.0.10
GHSA-3p27-qvp9-27qf
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Medium
EPSS 0.37%
>= 45.0.0, < 45.0.2
45.0.2
GHSA-3p27-qvp9-27qf
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Medium
EPSS 0.37%
>= 37.0.0, < 44.0.3
44.0.3
RUSTSEC-2026-0149
wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
High
EPSS 0.36%
< 24.0.9
24.0.9
RUSTSEC-2026-0149
wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
High
EPSS 0.36%
>= 37.0.0, < 44.0.2
44.0.2
RUSTSEC-2026-0149
wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
High
EPSS 0.36%
>= 25.0.0, < 36.0.10
36.0.10
RUSTSEC-2026-0149
wasmtime-wasi: WASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
High
EPSS 0.36%
>= 0.0.0-0, < 24.0.9
>= 25.0.0, < 36.0.10
>= 37.0.0, < 44.0.2
>= 45.0.0, < 45.0.0
24.0.9
36.0.10
44.0.2
45.0.0
GHSA-fm79-3f68-h2fc
Wasmtime CLI is vulnerable to host panic through its fd_renumber function
Low
EPSS 0.38%
< 24.0.4
24.0.4
GHSA-fm79-3f68-h2fc
Wasmtime CLI is vulnerable to host panic through its fd_renumber function
Low
EPSS 0.38%
>= 34.0.0, < 34.0.2
34.0.2
GHSA-fm79-3f68-h2fc
Wasmtime CLI is vulnerable to host panic through its fd_renumber function
Low
EPSS 0.38%
>= 25.0.0, < 33.0.2
33.0.2
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