{"record":{"id":"fcaee8c4a6529f48","repo":"Pumpkin-MC/Pumpkin","slug":"sent-a-chat-with-invalid-no-signature","errorCode":null,"errorMessage":"sent a chat with invalid/no signature","messagePattern":"sent a chat with invalid/no signature","errorType":"exception","errorClass":"ChatError","httpStatus":null,"severity":"error","filePath":"crates/pumpkin/src/net/java/play/mod.rs","lineNumber":130,"sourceCode":"        }\n    }\n\n    fn client_kick_reason(&self) -> Option<String> {\n        match self {\n            Self::BlockOutOfReach | Self::BlockOutOfWorld | Self::InvalidGamemode => None,\n            Self::InvalidBlockFace => Some(\"Invalid block face\".into()),\n            Self::InvalidHand => Some(\"Invalid hand\".into()),\n        }\n    }\n}\n\n#[derive(Debug, Error)]\npub enum ChatError {\n    #[error(\"sent an oversized message\")]\n    OversizedMessage,\n    #[error(\"sent a message with illegal characters\")]\n    IllegalCharacters,\n    #[error(\"sent a chat with invalid/no signature\")]\n    UnsignedChat,\n    #[error(\"has too many unacknowledged chats queued\")]\n    TooManyPendingChats,\n    #[error(\"sent a chat that couldn't be validated\")]\n    ChatValidationFailed,\n    #[error(\"sent a chat with an out of order timestamp\")]\n    OutOfOrderChat,\n    #[error(\"has an expired public key\")]\n    ExpiredPublicKey,\n    #[error(\"attempted to initialize a session with an invalid public key\")]\n    InvalidPublicKey,\n}\n\nimpl PumpkinError for ChatError {\n    fn is_kick(&self) -> bool {\n        true\n    }\n","sourceCodeStart":112,"sourceCodeEnd":148,"githubUrl":"https://github.com/Pumpkin-MC/Pumpkin/blob/8d4639e25a57c15e47448ec327c780d41bbf2356/crates/pumpkin/src/net/java/play/mod.rs#L112-L148","documentation":"Guard variant of ChatError for the Java chat-signing flow: the incoming chat message is missing a valid signature (or has none) while the server enforces secure chat. Fires when a client sends unsigned chat on a profile/key setup that requires signed messages — e.g. modified clients or clients that skipped the session key negotiation. The bad input is the unsigned/invalidly-signed chat packet body.","triggerScenarios":"Thrown at crates/pumpkin/src/net/java/play/mod.rs:130 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Kick the player for unsigned chat","Verify signatures before broadcasting the message","Log the failure with the player name"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8d4639e25a57c15e47448ec327c780d41bbf2356","analyzedAt":"2026-09-09T15:32:22.916Z","contentChangedAt":"2026-09-09T15:32:22.916Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}