GHSA-V7PH-R5R6-4JCJ SiYuan: Missing publish-access filter on getFileAnnotation discloses private PDF annotations of forbidden/protected documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72808. Summary The /api/asset/getFileAnnotation endpoint returns the content of .sya PDF-annotation files with no publish-access check. It is gated by CheckAuth only, so it is reachable by the publish RoleReader token and by the anonymous account wh...

SiYuan: Missing publish-access filter on getFileAnnotation discloses private PDF annotations of forbidden/protected documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72808. Summary The /api/asset/getFileAnnotation endpoint returns the content of .sya PDF-annotation files with no publish-access check. It is gated by CheckAuth only, so it is reachable by the publish RoleReader token and by the anonymous account wh...

EUVD-2026-57409

SiYuan: Missing publish-access filter on getFileAnnotation discloses private PDF annotations of forbidden/protected documents publish mode...

CVE-2026-85424 MOOS core-moos through 10.4.0 Missing Authentication for MOOSDB Publish, Subscribe and DB_CLEAR

MOOS core-moos through 10.4.0 lacks authentication in the wire protocol, allowing unauthenticated clients to connect with full publish, subscribe, and database clear privileges. Attackers can bypass the compile-time protocol string check and connect with arbitrary client names to execute privileg...

GHSA-MW8R-MW84-88V2 SiYuan: Publish-boundary bypass via WebSocket broadcast: anonymous readers receive a live unfiltered feed of all edits including protected/forbidden documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72810. Summary WebSocket sessions established through the publish surface port 6808, RoleReader anonymous when Publish.Auth.Enable is false are added to the same broadcast session pool as authenticated sessions. The kernel's broadcast functions push...

EUVD-2026-58625

SiYuan: Publish-boundary bypass via WebSocket broadcast: anonymous readers receive a live unfiltered feed of all edits including protected/forbidden documents publish mode...

SiYuan: Publish-boundary bypass via WebSocket broadcast: anonymous readers receive a live unfiltered feed of all edits including protected/forbidden documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72810. Summary WebSocket sessions established through the publish surface port 6808, RoleReader anonymous when Publish.Auth.Enable is false are added to the same broadcast session pool as authenticated sessions. The kernel's broadcast functions push...

SiYuan: SQL injection in backlink/mention search via unescaped stored and client input (publish mode): first-order (client keyword) and second-order (stored document title) breakout on read-write handle

CVE: This vulnerability corresponds to CVE-2026-72811. Summary The backlink/mention search query kernel/model/backlink.go concatenates stored block metadata title, name, alias, anchor text and the client-supplied keyword into a SQL MATCH/search statement, escaping only the double-quote character ...

GHSA-WGWX-479J-23VQ SiYuan: Missing authorization on refreshBacklink allows anonymous readers to trigger persistent server-side writes and unauthenticated resource amplification (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72812. Summary The /api/ref/refreshBacklink endpoint is gated by CheckAuth only. Unlike its mutating siblings, it carries no CheckAdminRole, no CheckReadonly, and no inline reader-role guard so it falls through all three authorization mechanisms the...

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-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...

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-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...

EUVD-2026-52273

SiYuan: Cross-boundary metadata disclosure via getBlockInfo publish mode: reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered...

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...

EUVD-2026-52274

SiYuan: Cross-boundary content disclosure via getBacklinkDoc/getBackmentionDoc publish mode: reader-reachable rendered DOM of publish-forbidden docs; sibling list endpoints are filtered...

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...

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...

EUVD-2026-52275

SiYuan: Full-content disclosure of publish-disabled documents via getHeadingTransaction endpoints publish mode: reader-reachable rendered DOM with no publish-access check...

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...