CVE-2026-116478
Published:October 26, 2026
Updated:October 29, 2026
A vulnerability was detected in a2aproject a2a-go up to 2.4.0. This affects the function CreateExecutor of the file a2asrv/agentexec.go of the component Push Notification Handler. The manipulation results in information exposure through error message. It is possible to launch the attack remotely. Upgrading to version 2.5.0 mitigates this issue. The patch is identified as f4d588216b0c9520e94d571bab725c38ce23064c. It is recommended to upgrade the affected component.
Affected Packages
https://github.com/a2aproject/a2a-go.git (GITHUB):
Affected version(s) >=v0.3.0 <v2.5.0Fix Suggestion:
Update to version v2.5.0github.com/a2aproject/a2a-go/v2 (GO):
Affected version(s) >=v2.0.0 <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
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
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
LOW
Integrity
NONE
Availability
NONE
Exploit Maturity
NOT DEFINED
Weakness Type (CWE)
EPSS
Base Score:
0.43