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.

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
a2aproject a2a-go affected
Version Status Constraints
2.0 affected —
2.1 affected —
2.2 affected —
2.3 affected —
2.4.0 affected —
2.5.0 unaffected —

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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, 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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

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

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

Link: CVE-2026-116478

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-116478

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T20:30:15Z

Weaknesses