All vulnerabilities
CVE-2026-117504

a2aproject a2a-go Distributed Manager distributed_manager.go Cancel denial of service

a2aproject a2a-go
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published27 Oct 2026Updated 27 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

A vulnerability was identified in a2aproject a2a-go up to 2.4.0. The affected element is the function Cancel of the file internal/taskexec/distributed_manager.go of the component Distributed Manager. Such manipulation leads to denial of service. It is possible to launch the attack remotely. Upgrading to version 2.5.0 is sufficient to fix this issue. The name of the patch is 14e41a978b31e134ffa1170d8657f9dd98529aa3. Upgrading the affected component is advised.

Text from CVE List

Affected versions 6

  • a2a-goaffected: 2.0CVE List
  • a2a-goaffected: 2.1CVE List
  • a2a-goaffected: 2.2CVE List
  • a2a-goaffected: 2.3CVE List
  • a2a-goaffected: 2.4.0CVE List
  • a2a-gounaffected: 2.5.0CVE List

References 8