CVE-2026-117504
Published:October 27, 2026
Updated:October 29, 2026
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.
Affected Packages
https://github.com/a2aproject/a2a-go.git (GITHUB):
Affected version(s) >=v2.3.0 <v2.5.0Fix Suggestion:
Update to version v2.5.0github.com/a2aproject/a2a-go/v2 (GO):
Affected version(s) >=v2.3.0 <v2.5.0Fix Suggestion:
Update to version v2.5.0Related Resources (9)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
NOT DEFINED
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Exploit Maturity
NOT DEFINED
Weakness Type (CWE)
Improper Resource Shutdown or Release
EPSS
Base Score:
0.55