| Title | a2aproject a2a-rs a2a-server-lf ≤ 0.4.3 CWE-209 |
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| Description | Internal errors (INTERNAL_ERROR, e.g. ProtoJSON serialization failures, executor errors, push-sender failures) carried server-side detail (library names, internal messages) straight into client-visible responses — REST error envelopes, JSON-RPC errors, and SSE error events. This enables server fingerprinting and information disclosure (CWE-209). |
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| Source | ⚠️ https://github.com/a2aproject/a2a-rs/pull/127 |
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| User | colorfullbz (UID 86308) |
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| Submission | 10/06/2026 03:58 (23 days ago) |
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| Moderation | 10/20/2026 17:57 (15 days later) |
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| Status | Accepted |
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| VulDB entry | 422867 [a2aproject a2a-rs up to 0.4.3 a2a-server/src/error.rs information exposure] |
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| Points | 19 |
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