CVE-2026-116477
4.3 MEDIUMpublic exploit availablePublished 2026-10-26 · Updated 2026-10-26
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
A security vulnerability has been detected in a2aproject a2a-dotnet up to 1.0.0-preview2. The impacted element is the function A2AJsonRpcProcessor.ProcessRequestAsync of the file src/A2A.AspNetCore/A2AJsonRpcProcessor.cs of the component Parser. The manipulation leads to information exposure through error message. It is possible to initiate the attack remotely. Upgrading to version 1.0.0-preview3 is sufficient to resolve this issue. The identifier of the patch is ccbd12b6108a6a8f0fd5d8b4a9ece3c8a94ba1e4. Upgrading the affected component is recommended.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-200, CWE-209
Public exploit & PoC references
All references
- https://github.com/a2aproject/a2a-dotnet/
- https://github.com/a2aproject/a2a-dotnet/commit/ccbd12b6108a6a8f0fd5d8b4a9ece3c8a94ba1e4
- https://github.com/a2aproject/a2a-dotnet/pull/452
- https://github.com/a2aproject/a2a-dotnet/releases/tag/v1.0.0-preview3
- https://vuldb.com/cve/CVE-2026-116477
- https://vuldb.com/submit/1014890
- https://vuldb.com/vuln/426390
- https://vuldb.com/vuln/426390/cti
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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