| Title | a2aproject a2a-java ≤ 1.2.0.Final CWE-362 |
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| Description | TaskManager.saveTaskEvent and process overwrite the persisted status with whatever state the event carries, with no transition validation, so a terminal task can be silently rewritten. DefaultRequestHandler.onCancelTask reads the task, checks isFinal() and calls agentExecutor.cancel() with no lock, so two concurrent cancels can both proceed. |
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| Source | ⚠️ https://github.com/a2aproject/a2a-java/pull/1045 |
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| User | colorfullbz (UID 86308) |
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| Submission | 10/06/2026 07:54 (23 days ago) |
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| Moderation | 10/27/2026 09:47 (21 days later) |
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| Status | Accepted |
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| VulDB entry | 427074 [a2aproject a2a-java up to 1.2.0.Final TaskManager.saveTaskEvent race condition] |
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| Points | 19 |
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