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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
a2aproject a2a-dotnet
1.0.0-preview2affected1.0.0-preview3unaffected
References
- https://vuldb.com/vuln/426390 ↗
- https://vuldb.com/vuln/426390/cti ↗
- https://vuldb.com/cve/CVE-2026-116477 ↗
- https://vuldb.com/submit/1014890 ↗
- https://github.com/a2aproject/a2a-dotnet/pull/452 ↗
- https://github.com/a2aproject/a2a-dotnet/commit/ccbd12b6108a6a8f0fd5d8b4a9ece3c8a94ba1e4 ↗
- https://github.com/a2aproject/a2a-dotnet/releases/tag/v1.0.0-preview3 ↗
- https://github.com/a2aproject/a2a-dotnet/ ↗