CVE-2026-27195

EPSS 0.08%

Panic when dropping a `[Typed]Func::call_async` future

Published: 2/24/2026Modified: 2/24/2026

Also known as:GHSA-xjhv-v822-pf94CGA-j96x-jfc5-5p78RUSTSEC-2026-0022

Description

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-xjhv-v822-pf94 For more information see the GitHub-hosted security advisory.

Affected packages (2)

crates.io/wasmtime>= 39.0.0, < 40.0.4
crates.io/wasmtime>= 39.0.0, < 40.0.4, >= 41.0.0, < 41.0.4

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

References (10)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-27195
PATCHhttps://crates.io/crates/wasmtime
PATCHhttps://github.com/bytecodealliance/wasmtime
WEBhttps://bytecodealliance.zulipchat.com/#narrow/channel/206238-general/topic/.E2.9C.94.20Panic.20in.20Wasmtime.2041.2E0.2E3.20.28runtime.2Fconcurrent.2Fcomponent.29/with/574438798
WEBhttps://github.com/bytecodealliance/wasmtime/commit/9e51c0d9a240a9613d279c061f82286bd11383fd
WEBhttps://github.com/bytecodealliance/wasmtime/commit/d86b00736b9ece60b3c81e52f7a7e4cdd9f7d895
WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v40.0.4
WEBhttps://github.com/bytecodealliance/wasmtime/releases/tag/v41.0.4
WEBhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-xjhv-v822-pf94
WEBhttps://rustsec.org/advisories/RUSTSEC-2026-0022.html