CVE-2026-116478

a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure

MEDIUM
5.3
CVSS Score
Published: October 26, 2026 at 07:30 PM UTC
Updated: October 27, 2026 at 02:52 PM UTC
1 product affected across 1 vendora2a-go

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/426391
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/426391/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-116478
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/1014887
Issue TrackingPatch
Source: cverecord
https://github.com/a2aproject/a2a-go/pull/393

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-209CWE-200

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