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Advisory record · GHSA-q554-3cjc-rx7p

Component-model handle tables are capped only per instance and charged to no limit

CVSS 6.9 MediumEPSS 0.0015 · 4th percentile

Published by the GitHub Advisory Database at 14 Oct 2026, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
wasmtimecrates.io>=0.0.0-0, <36.0.18 || >=37.0.0, <48.0.6 || >=49.0.0, <49.0.336.0.18, 48.0.6, 49.0.3
Identifiers
GHSA-q554-3cjc-rx7p · CVE-2026-119134 · RUSTSEC-2026-0363
Weakness (CWE)
CWE-770
Tags
Published
14 Oct 2026
Updated
30 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Wasmtime versions before 36.0.18, from 37.0.0 before 48.0.6, and from 49.0.0 before 49.0.3 are affected. The source gives few details beyond the title, which says component-model handle tables are capped only per instance and not charged against any overall limit. Upgrade to 36.0.18, 48.0.6, or 49.0.3, depending on your release line.

Written 3 Nov 2026.

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

ScoreRatingCVSSVectorSource
6.9 Medium 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0015, the 4th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:24 UTC First seen by agentprime
  2. 31 Oct 2026, 14:24 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.