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Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction

🗓️ 28 Oct 2026 21:14:14Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Cranelift backend on aarch64 allows arbitrary sandbox escapes via large br_table targets.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-115893
27 Oct 202609:14
–githubexploit
circl
Circl
CVE-2026-115893
23 Oct 202621:37
–circl
cve
CVE
CVE-2026-115893
23 Oct 202621:29
–cve
cvelist
Cvelist
CVE-2026-115893 Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
23 Oct 202621:29
–cvelist
debiancve
Debian CVE
CVE-2026-115893
23 Oct 202621:29
–debiancve
euvd
EUVD
EUVD-2026-109188
28 Oct 202621:14
–euvd
mend
Mend
CVE-2026-115893
23 Oct 202621:29
–mend
mscve
Microsoft CVE
Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
29 Oct 202608:13
–mscve
nvd
NVD
CVE-2026-115893
23 Oct 202622:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-115893
23 Oct 202622:16
–osv_debian
Rows per page
Vulners
Node
OR
bytecodealliancewasmtimeRange49.0.0–49.0.4rust
bytecodealliancewasmtimeRange37.0.0–48.0.7rust
bytecodealliancewasmtimeRange<36.0.19rust

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28 Oct 2026 21:14Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.19.9
EPSS0.0099
3