# A2aproject A2a-Go vulnerabilities

Source: https://junglewise.ai/threats/technologies/a2a-go  
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-go.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in A2aproject A2a-Go: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-117504, was published on 27 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## Latest A2aproject A2a-Go vulnerabilities

- [CVE-2026-117504: a2aproject a2a-go denial of service in Distributed Manager Cancel](https://junglewise.ai/threats/cve-2026-117504-a-vulnerability-was-identified-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 27 Oct 2026)
- [CVE-2026-117503: a2aproject a2a-go resource exhaustion in REST SSE handler](https://junglewise.ai/threats/cve-2026-117503-a-vulnerability-was-determined-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 27 Oct 2026)
- [CVE-2026-116478: a2a-go information exposure through error message in CreateExecutor](https://junglewise.ai/threats/cve-2026-116478-a-vulnerability-was-detected-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 26 Oct 2026)

## Most severe A2aproject A2a-Go vulnerabilities

- [CVE-2026-117504: a2aproject a2a-go denial of service in Distributed Manager Cancel](https://junglewise.ai/threats/cve-2026-117504-a-vulnerability-was-identified-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 27 Oct 2026)
- [CVE-2026-117503: a2aproject a2a-go resource exhaustion in REST SSE handler](https://junglewise.ai/threats/cve-2026-117503-a-vulnerability-was-determined-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 27 Oct 2026)
- [CVE-2026-116478: a2a-go information exposure through error message in CreateExecutor](https://junglewise.ai/threats/cve-2026-116478-a-vulnerability-was-detected-in-a2aproject-a2a-go-up-to-2-4-0) (medium, CVSS 5.3, published 26 Oct 2026)

## Vulnerabilities per week

3 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 | 0 | 0 | 0 |
| 26 Oct 2026 | 3 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other A2aproject technologies

- [A2aproject A2a-Java](https://junglewise.ai/threats/technologies/a2a-java): 6 vulnerabilities
- [A2aproject A2a-Rs](https://junglewise.ai/threats/technologies/a2a-rs): 3 vulnerabilities

## 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, "A2aproject A2a-Go vulnerabilities", https://junglewise.ai/threats/technologies/a2a-go, 9 November 2026.