[ Vendor · 17 CVEs ]

bytecodealliance

CVEs affecting bytecodealliance published in the last 30 days, plus any bytecodealliance CVE on CISA's exploited list.

CVEPublishedSeverityVulnerabilitySignals
CVE-2026-115393 22 Oct 2026 CVSS 3.8 bytecodealliance wasmtimeWasmtime before 24.0.12, 25.0.0 before 36.0.13, 37.0.0 before 46.0.2, and 47.0.0 before 47.0.3 contains a type confusion vulnerability because…
CVE-2026-115387 22 Oct 2026 CVSS 6.2 bytecodealliance wasmtimeWasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 contains a denial of service vulnerability in wasmtime-wasi that allows guest…
CVE-2026-115388 22 Oct 2026 CVSS 6.2 bytecodealliance wasmtimewasmtime-wasi-http in Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 does not enforce the wasi:io/streams check-write…
CVE-2026-115389 22 Oct 2026 CVSS 2.3 bytecodealliance wasmtimeWasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 does not adequately account for host allocations when lifting guest values…
CVE-2026-115390 22 Oct 2026 CVSS 5.7 bytecodealliance wasmtimeWasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in Cranelift-compiled call_ref and try_table catch paths…
CVE-2026-115391 22 Oct 2026 CVSS 5.8 bytecodealliance wasmtimeWasmtime 46.0.0 before 46.0.3 and 47.0.0 before 47.0.4 contains an uncontrolled resource allocation vulnerability in its WASIp3 implementation that…
CVE-2026-115392 22 Oct 2026 CVSS 7.9 bytecodealliance wasmtimeWasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 before 46.0.3, and 47.0.0 before 47.0.4 allows a filesystem sandbox escape in wasmtime-wasi…
CVE-2026-115381 22 Oct 2026 CVSS 4.8 bytecodealliance wasmtimeWasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an unbounded memory allocation in the wasmtime-wasi WASIp2…
CVE-2026-115382 22 Oct 2026 CVSS 4.8 bytecodealliance wasmtimeWasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial-of-service vulnerability in its wasi:http implementation that allows guests…
CVE-2026-115383 22 Oct 2026 CVSS 4.8 bytecodealliance wasmtimeWasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains an improper validation vulnerability that accepts components whose core modules…
CVE-2026-115384 22 Oct 2026 CVSS 9.9 bytecodealliance wasmtimeWasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a stack buffer overflow vulnerability that allows malicious guests to write ~16KB to…
CVE-2026-115385 22 Oct 2026 CVSS 6.2 bytecodealliance wasmtimeWasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASIp3 implementation that…
CVE-2026-115386 22 Oct 2026 CVSS 2.6 bytecodealliance wasmtimeWasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir…
CVE-2026-115379 22 Oct 2026 CVSS 5.7 bytecodealliance wasmtimeWasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a missing GC rooting vulnerability that leaves references live across try_call…
CVE-2026-115380 22 Oct 2026 CVSS 4.0 bytecodealliance wasmtimeWasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASI preview…
CVE-2026-104855 2 Oct 2026 CVSS 2.0 Wasmtime: Preemption and traps during bulk operations enable breaking internal VM stateWasmtime is a runtime for WebAssembly. From 46.0.0 until 46.0.2 and 47.0.3, fuel and epoch preemption checks inside bulk operations including… Fix
CVE-2026-58494 8 Jul 2026 CVSS 6.5 Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destinationWasmtime is a runtime for WebAssembly. Prior to 24.0.11, 36.0.12, 45.0.3, and 46.0.1, wasmtime-wasi hard-link creation and renaming check directory… Fix