| Title | a2aproject a2a-java ≤ v1.2.0.Final CWE-209 |
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| Description | JSONRPCHandler converted every unexpected (non-A2AError) exception into new InternalError(t.getMessage()), forwarding the raw exception message — often containing file paths, library names, or class names — to the client in the JSON-RPC error payload (CWE-209, information disclosure / server fingerprinting). |
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| Source | ⚠️ https://github.com/a2aproject/a2a-java/pull/1046 |
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| User | colorfullbz (UID 86308) |
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| Submission | 10/06/2026 04:01 (23 days ago) |
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| Moderation | 10/26/2026 12:00 (20 days later) |
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| Status | Accepted |
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| VulDB entry | 426392 [a2aproject a2a-java up to 1.2.0.Final JSON-RPC Error getMessage information exposure] |
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| Points | 19 |
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