CVE-2026-116478
a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposure
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 26, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 5.3 Medium | 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 | VulDB |
| 3.0 | 5.3 Medium | 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 | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:ND/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
a2a-goa2aproject |
|
References
- VDB-426391 | a2aproject a2a-go Push Notification agentexec.go CreateExecutor information exposurevdb-entrytechnical-description
- VDB-426391 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-116478 | CVE Analysis and Reportthird-party-advisory
- Submit #1014887 | a2aproject a2a-go ≤ v2.4.0 CWE-209third-party-advisory
- https://github.com/a2aproject/a2a-go/pull/393issue-trackingpatch
- https://github.com/a2aproject/a2a-go/commit/f4d588216b0c9520e94d571bab725c38ce23064cpatch
- https://github.com/a2aproject/a2a-go/releases/tag/v2.5.0patch
- https://github.com/a2aproject/a2a-go/product
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