CVE-2026-87815 SiYuan before v3.8.2 Path Traversal via removeRiffDeck

SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint that fails to validate the deckID parameter. An authenticated administrator can supply path traversal sequences to delete arbitrary .deck and .cards files outside the workspace directory...

CVE-2026-87815 SiYuan before v3.8.2 Path Traversal via removeRiffDeck

SiYuan versions before v3.8.2 contain a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint that fails to validate the deckID parameter. An authenticated administrator can supply path traversal sequences to delete arbitrary .deck and .cards files outside the workspace directory...

CVE-2026-87815

SiYuan versions before v3.8.2 are affected by a path traversal vulnerability in the /api/riff/removeRiffDeck endpoint, caused by insufficient validation of the deckID parameter. An authenticated administrator can supply traversal sequences to delete arbitrary .deck and .cards files outside the wo...