| Title | a2a-project a2a-java v1.2.0.Final CWE-862 |
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| Description | onListTasks in AuthorizationRequestHandlerDecorator delegated directly to the wrapped handler without any authorization check, unlike every other handler method which calls an enforce* check first. With a TaskAuthorizationProvider configured, a caller could invoke listTasks and bypass the authorization model entirely — only per-task filtering in the TaskStore (which custom store implementations may skip) stood between the caller and other users' tasks. |
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| Source | ⚠️ https://github.com/a2aproject/a2a-java/pull/1038 |
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| User | colorfullbz (UID 86308) |
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| Submission | 08/12/2026 02:07 (1 month ago) |
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| Moderation | 09/13/2026 21:01 (1 month later) |
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| Status | Accepted |
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| VulDB entry | 403323 [a2aproject a2a-java 1.2.0 AuthorizationRequestHandlerDecorator.java AuthorizationRequestHandlerDecorator.onListTasks authorization] |
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| Points | 20 |
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