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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
A2aproject
  • A2a-go

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

Mon, 02 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 26 Oct 2026 19:45:00 +0000

Type Values Removed Values Added
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.
Title a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure
First Time appeared A2aproject
A2aproject a2a-go
Weaknesses CWE-200
CWE-209
CPEs cpe:2.3:a:a2aproject:a2a-go:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-go
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-26T19:30:19.254Z

Updated: 2026-11-02T18:04:28.991Z

Reserved: 2026-10-26T10:59:44.115Z

Link: CVE-2026-116478

cve-icon Vulnrichment

Updated: 2026-11-02T18:04:20.390Z

cve-icon NVD

Status : Deferred

Published: 2026-10-26T20:17:55.080

Modified: 2026-11-02T19:17:55.140

Link: CVE-2026-116478

cve-icon Redhat

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