CVE-2026-85579 SiYuan before v3.8.2 Information Disclosure via undoState

SiYuan is affected by an information disclosure vulnerability confirmed in v3.8.1, fixed in v3.8.2 in the reader-accessible POST /api/transactions/undoState endpoint. The endpoint returns the peekMutatedRootIDs list from the global undo-log stack for a caller-supplied root ID without applying...