A2A Java SDK has a fail-open default task authorization

Date Oct 20, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Maven · org.a2aproject.sdk:a2a-java-sdk-server-common

CVE CVE-2026-111764

High-risk advisory CVE-2026-111764

Summary

A2A Java SDK has a fail-open default task authorization

Why it matters

GitHub has published a reviewed security advisory for org.a2aproject.sdk:a2a-java-sdk-server-common. Prioritize it with other application dependency updates.

Operator check

Check whether org.a2aproject.sdk:a2a-java-sdk-server-common is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-qw47-mcm5-934w NVD — CVE-2026-111764 Source reference

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

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