CVE-2026-116478

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/a2aproject/a2a-go/
https://github.com/a2aproject/a2a-go/commit/f4d588216b0c9520e94d571bab725c38ce23064c
https://github.com/a2aproject/a2a-go/pull/393
https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0
https://vuldb.com/cve/CVE-2026-116478
https://vuldb.com/submit/1014887
https://vuldb.com/vuln/426391
https://vuldb.com/vuln/426391/cti

Configurations

No configuration.

History

26 Oct 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 20:17

Updated : 2026-10-27 14:52

NVD link : CVE-2026-116478

Mitre link : CVE-2026-116478

CVE.ORG link : CVE-2026-116478

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-209

Generation of Error Message Containing Sensitive Information

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