CVE-2026-115390

5.7 MEDIUMpublic exploit available

Published 2026-10-22 · Updated 2026-10-23

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

Wasmtime 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. Malicious guests can reset consumed fuel after calls to run exponentially long on linear fuel, evading timeouts and periodic yields for denial of service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Weaknesses

CWE-400

Public exploit & PoC references

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m63x-6p34-q65x

All references

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m63x-6p34-q65x
https://www.vulncheck.com/advisories/wasmtime-47.0.0-before-48.0.3-and-49.0.0-before-49.0.1-fuel-accounting-bypass-dos

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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