@a2ui/web_core: `openUrl` permits `javascript:` URI execution via agent-supplied button actions

Date Oct 2, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product npm · @a2ui/web_core

CVE CVE-2026-10032

High-risk advisory CVE-2026-10032

Summary

@a2ui/web_core: `openUrl` permits `javascript:` URI execution via agent-supplied button actions

Why it matters

GitHub has published a reviewed security advisory for @a2ui/web_core. Prioritize it with other application dependency updates, especially because EPSS places it in the 2% percentile.

Operator check

Check whether @a2ui/web_core is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.1%; percentile: 2%.

Sources

GitHub Advisory GHSA-72qq-p3r5-f7wq NVD — CVE-2026-10032 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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