What is GHSA-78f8-6g96-699x?

GHSA-78f8-6g96-699x is a security advisory published by GitHub Security Advisories with Medium severity. Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in...

Which CVE IDs does GHSA-78f8-6g96-699x cover?

GHSA-78f8-6g96-699x covers the following CVE IDs: CVE-2026-115390. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-78f8-6g96-699x?

GHSA-78f8-6g96-699x has a CVSS v3 base score of 5.7, published by GitHub Security Advisories.

GHSA-78f8-6g96-699xMediumCVSS 5.7

Wasmtime 47.0.0 before 48.0.3 and 49.0.0 before 49.0.1 contains a fuel accounting flaw in...

Vendor

GitHub Security Advisories

Published

October 22, 2026

Last Modified

October 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-115390 →

📋 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.

🔗 References (4)

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m63x-6p34-q65x
https://nvd.nist.gov/vuln/detail/CVE-2026-115390
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
https://github.com/advisories/GHSA-78f8-6g96-699x