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Cap Collectif is an online decision making platform that integrates several tools. Before commit 812f2a7d271b76deab1175bdaf2be0b8102dd198, the `DebateAlternateArgumentsResolver` deserializes a `Cursor`, allowing any classes and which can be controlled by unauthenticated user. Exploitation of this vulnerability can lead to Remote Code Execution. The vulnerability is fixed in commit 812f2a7d271b76deab1175bdaf2be0b8102dd198.
Reserved 2025-05-05 | Published 2025-05-14 | Updated 2025-05-14 | Assigner GitHub_MCWE-502: Deserialization of Untrusted Data
github.com/...lectif/security/advisories/GHSA-hf7r-rjh4-5fc8
github.com/...ommit/812f2a7d271b76deab1175bdaf2be0b8102dd198
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