Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0017, the 6th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:24 UTC First seen by agentprime
- 31 Oct 2026, 14:24 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-4ch3-9j33-3pmj
- OSV: GHSA-4ch3-9j33-3pmj
- github.com/bytecodealliance/wasmtime/security/advisories/GHSA-4ch3-9j33-3pmj
- nvd.nist.gov/vuln/detail/CVE-2026-58494
- github.com/bytecodealliance/wasmtime/pull/13725
- github.com/bytecodealliance/wasmtime/commit/5ddfd5f1ef28f2041fa07d237ad0336e167b0e0c
- github.com/bytecodealliance/wasmtime/commit/7db94cdcf0c79cb3dfde884b534b653f2dd83367
- github.com/bytecodealliance/wasmtime/commit/8a250aac0962ca1364b5f16525720e9d0b39edcd
- github.com/bytecodealliance/wasmtime/commit/d3ceb56ec35f39e02496eeb4e2d9c7f4fb964d9e
- github.com/bytecodealliance/wasmtime
- github.com/bytecodealliance/wasmtime/releases/tag/v24.0.11
- github.com/bytecodealliance/wasmtime/releases/tag/v36.0.12
- github.com/bytecodealliance/wasmtime/releases/tag/v45.0.3
- github.com/bytecodealliance/wasmtime/releases/tag/v46.0.1