SiYuan <= 3.6.5 - Unauthenticated Path Traversal

SiYuan = 3.6.5 contains a path traversal via double URL-encoding in the /assets/ route publish mode port 6808, allowing unauthenticated attackers to read arbitrary files inside WorkspaceDir including conf/conf.json which exposes the API token and access auth code. id: CVE-2026-54066 info: name:...

EUVD-2026-57457

SiYuan: getEncryptedNotebookStatus discloses names and current lock/unlock state of all encrypted notebooks to anonymous readers...

EUVD-2026-57461

SiYuan: Encrypted-notebook key-derivation material and wrapped notebook keys disclosed to anonymous readers, enabling offline master-password cracking...

GHSA-7J72-F6WG-CXW6 SiYuan: Anonymous publish-password authentication bypass via getHeadingChildrenDOM / getHeading*Transaction / getBacklinkDoc (publish mode)

CVE: This vulnerability corresponds to CVE-2026-68584. Summary SiYuan's publish mode defines a "protected" access level: a document that is publicly listed but requires a password to read per the product's own UI help text, protected = "Publicly visible, requires password to access". The password...

GHSA-PM3W-VXP9-CCWC SiYuan: Cross-boundary metadata disclosure via getBlockInfo (publish mode): reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered

CVE: This vulnerability corresponds to CVE-2026-68585. Summary The /api/block/getBlockInfo endpoint returns document root metadata including the document title rootTitle for a block in a publish-forbidden document, with no publish-access check. Its sibling /api/block/getDocInfo applies the...

GHSA-36V8-MPJM-8J5R SiYuan: Cross-boundary content disclosure via getBacklinkDoc/getBackmentionDoc (publish mode): reader-reachable rendered DOM of publish-forbidden docs; sibling list endpoints are filtered

CVE: This vulnerability corresponds to CVE-2026-68586. Summary The backlink API splits into list endpoints which documents reference a block and content endpoints the rendered text of those referencing blocks. The list endpoints apply a publish-access filter, the content endpoints do not. As a...

GHSA-69MH-GVH4-8GP7 SiYuan: Full-content disclosure of publish-disabled documents via getHeading*Transaction endpoints (publish mode): reader-reachable rendered DOM with no publish-access check

CVE: This vulnerability corresponds to CVE-2026-68587. Summary Three "heading transaction" endpoints /api/block/getHeadingDeleteTransaction, /api/block/getHeadingLevelTransaction, and /api/block/getHeadingInsertTransaction return the rendered block DOM of a heading and its subtree in the computed...

SiYuan: Unauthenticated arbitrary SQL execution via searchEmbedBlock (publish mode) : reader-reachable raw statement on read-write handle, cross-notebook read/write

CVE: This vulnerability corresponds to CVE-2026-69084. Summary The /api/search/searchEmbedBlock endpoint passes a client-supplied SQL statement verbatim to the database with no validation. The endpoint is gated by CheckAuth only reachable by the publish RoleReader token, and by the anonymous...

CVE-2026-82652

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-82652

SiYuan before v3.8.1 is affected by an information disclosure vulnerability in publish mode . The application fails to filter invisible-tier content from three listing mechanisms: SQL embed blocks , attribute-view keys , and attribute-view backlinks . As a result, anonymous readers can enumerate ...

CVE-2026-82652 SiYuan before v3.8.1 Information Disclosure via Publish Access

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

EUVD-2026-68238

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-82652 SiYuan before v3.8.1 Information Disclosure via Publish Access

SiYuan before v3.8.1 fails to filter invisible-tier content from SQL embed blocks, attribute-view keys, and attribute-view backlinks in publish mode. Anonymous readers can enumerate invisible content through these three listing mechanisms despite admin configuration marking content unlisted...

CVE-2026-60083

SiYuan versions before v3.8.0 have an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files normally protected by the HTTP API. An authenticated administrator can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and acc...

CVE-2026-74906

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

EUVD-2026-60587

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

CVE-2026-74906 SiYuan before v3.7.4 Incorrect Authorization via Publish Access

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

CVE-2026-74906

SiYuan before v3.7.4 incorrectly filters eight publish-mode endpoints (search, backlink, asset content, saved criteria, recent documents, graph, tag) using the visibility list instead of the disabled list, allowing anonymous users to read documents explicitly marked as forbidden from publishing. ...

CVE-2026-74904

In SiYuan before v3.7.4, 17 block endpoints in kernel/api/block.go (getRefText, checkBlockExist, getBlockBreadcrumb) are gated only by model.CheckAuth without publish-access filtering, letting anonymous publish-mode readers disclose private block content, metadata, and existence info. Patch to v3...

CVE-2026-73609 SiYuan before v3.7.4 Information Disclosure via getBookmarkLabels

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getBookmarkLabels endpoint that returns all bookmark labels in the workspace without publish-access filtering. Anonymous readers and publish-mode readers can obtain the complete bookmark vocabulary across the...