CVE-2026-116477
A security vulnerability has been detected in a2aproject a2a-dotnet up to 1.0.0-preview2.
Impact
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
| Product | Affected versions |
|---|---|
| A2aproject A2a-Dotnet | before 1.0.0-preview2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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