VULNRABLE / Vulnerability / CVE-2026-111764

CVE-2026-111764

HIGH LOW org.a2aproject.sdk:a2a-java-sdk-server-common GHSA

Exploit verdict: No active-exploit signal

CVSS Score

Severity

HIGH

EPSS

Source

GHSA

Summary

A2A Java SDK has a fail-open default task authorization

What this means

CVE-2026-111764 is a high-severity vulnerability affecting org.a2aproject.sdk:a2a-java-sdk-server-common, rated CVSS 8. The EPSS model estimates a 1% probability of exploitation in the next 30 days. Published October 20, 2026.

View full advisory at GHSA →