Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
High-risk advisory
CVE-2026-115893
Summary
Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
Why it matters
GitHub has published a reviewed security advisory for wasmtime. Prioritize it with other application dependency updates, especially because EPSS places it in the 62% percentile.
Operator check
Check whether wasmtime is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 1.0%; percentile: 62%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.