# A2A Project A2A Java SDK vulnerabilities

Source: https://junglewise.ai/threats/technologies/a2a-java-sdk  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/a2a-java-sdk.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in A2A Project A2A Java SDK: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-111765, was published on 20 October 2026. 4 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 4
- Last 90 days: 4
- All time: 4 (0 critical, 0 exploited in the wild)

## About A2A Project A2A Java SDK

Java library for integrating Account-to-Account API functionality and payment operations.

## Latest A2A Project A2A Java SDK vulnerabilities

- [CVE-2026-111765: A2A Java SDK credential disclosure via HTTP redirect](https://junglewise.ai/threats/cve-2026-111765-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (high, CVSS 7.5, published 20 Oct 2026)
- [CVE-2026-111764: A2A Java SDK missing task authorization in default configuration](https://junglewise.ai/threats/cve-2026-111764-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (high, CVSS 7.5, published 20 Oct 2026)
- [CVE-2026-111763: A2A Java SDK credential leakage via header injection and redirects](https://junglewise.ai/threats/cve-2026-111763-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (medium, CVSS 4, published 20 Oct 2026)
- [CVE-2026-111761: A2A Java SDK server-common SSRF in push notifications](https://junglewise.ai/threats/cve-2026-111761-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (medium, CVSS 5.8, published 20 Oct 2026)

## Most severe A2A Project A2A Java SDK vulnerabilities

- [CVE-2026-111765: A2A Java SDK credential disclosure via HTTP redirect](https://junglewise.ai/threats/cve-2026-111765-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (high, CVSS 7.5, published 20 Oct 2026)
- [CVE-2026-111764: A2A Java SDK missing task authorization in default configuration](https://junglewise.ai/threats/cve-2026-111764-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (high, CVSS 7.5, published 20 Oct 2026)
- [CVE-2026-111761: A2A Java SDK server-common SSRF in push notifications](https://junglewise.ai/threats/cve-2026-111761-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (medium, CVSS 5.8, published 20 Oct 2026)
- [CVE-2026-111763: A2A Java SDK credential leakage via header injection and redirects](https://junglewise.ai/threats/cve-2026-111763-a2a-java-sdk-is-the-official-java-sdk-for-the-agent2agent-a2a) (medium, CVSS 4, published 20 Oct 2026)

## Vulnerabilities per week

4 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 4 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "A2A Project A2A Java SDK vulnerabilities", https://junglewise.ai/threats/technologies/a2a-java-sdk, 9 November 2026.