CVE-2026-105205

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

EUVD-2026-92098

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205

The SiYuan note-taking application (versions prior to 3.8.5 ) is vulnerable to an information disclosure vulnerability. An attacker can bypass the publish confidentiality boundary by sending POST requests to the /api/block/getDocInfo or getDocsInfo endpoints for a published document. This allows ...

CVE-2026-105205: Exposure of Sensitive Information to an Unauthorized Actor

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

PT-2026-104629

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

GHSA-VG99-7GJ7-2FR5 SiYuan: The reference filter for getRefIDs checks visibility but not the password tier, disclosing that password-protected documents reference a given block

Summary /api/block/getRefIDs filters its results for reader roles through a helper that checks only the visibility tiers. The password tier is not checked, because the helper does not receive the request context and therefore cannot evaluate the publish auth cookie. A reader who has not entered a...

SiYuan: The reference filter for getRefIDs checks visibility but not the password tier, disclosing that password-protected documents reference a given block

Summary /api/block/getRefIDs filters its results for reader roles through a helper that checks only the visibility tiers. The password tier is not checked, because the helper does not receive the request context and therefore cannot evaluate the publish auth cookie. A reader who has not entered a...

PT-2026-105543

Summary /api/block/getRefIDs filters its results for reader roles through a helper that checks only the visibility tiers. The password tier is not checked, because the helper does not receive the request context and therefore cannot evaluate the publish auth cookie. A reader who has not entered a...

GHSA-GQ43-VCRH-6JW8 Duplicate Advisory: The reference filter for getRefIDs checks visibility but not the password tier, disclosing that password-protected documents reference a given block

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vg99-7gj7-2fr5. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint th...

Duplicate Advisory: The reference filter for getRefIDs checks visibility but not the password tier, disclosing that password-protected documents reference a given block

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vg99-7gj7-2fr5. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint th...

PT-2026-105514

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vg99-7gj7-2fr5. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint th...

CVE-2026-73606: Authorization Bypass Through User-Controlled Key

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers...

CVE-2026-68585

SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID...

PT-2026-85336

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-pm3w-vxp9-ccwc. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint tha...

CVE-2026-68585: Missing Authorization

SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID...

CVE-2026-33669

SiYuan is a personal knowledge management system. Prior to version 3.6.2, document IDs were retrieved via the /api/file/readDir interface, and then the /api/block/getChildBlocks interface was used to view the content of all documents. Version 3.6.2 patches the issue...

CVE-2026-33669: Out-of-bounds Read

SiYuan is a personal knowledge management system. Prior to version 3.6.2, document IDs were retrieved via the /api/file/readDir interface, and then the /api/block/getChildBlocks interface was used to view the content of all documents. Version 3.6.2 patches the issue...