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...

CVE-2026-74903 SiYuan before v3.7.4 Insufficient Access Control via spinBlockDOM

SiYuan before v3.7.4 contains an insufficient access control vulnerability in the /api/lute/spinBlockDOM endpoint, which is guarded only by CheckAuth middleware instead of CheckAdminRole like its sibling endpoint. Authenticated users with RoleEditor or RoleReader roles can invoke the endpoint to...

EUVD-2026-60584

SiYuan before v3.7.4 contains an insufficient access control vulnerability in the /api/lute/spinBlockDOM endpoint, which is guarded only by CheckAuth middleware instead of CheckAdminRole like its sibling endpoint. Authenticated users with RoleEditor or RoleReader roles can invoke the endpoint to...

CVE-2026-74903

SiYuan before v3.7.4 contains an insufficient access control vulnerability in the /api/lute/spinBlockDOM endpoint, which is guarded only by CheckAuth middleware instead of CheckAdminRole like its sibling endpoint. Authenticated users with RoleEditor or RoleReader roles can invoke the endpoint to...

CVE-2026-74903: Uncontrolled Resource Consumption

SiYuan before v3.7.4 contains an insufficient access control vulnerability in the /api/lute/spinBlockDOM endpoint, which is guarded only by CheckAuth middleware instead of CheckAdminRole like its sibling endpoint. Authenticated users with RoleEditor or RoleReader roles can invoke the endpoint to...

PT-2026-71981

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description A SQL injection issue exists in the backlink/mention search query within kernel/model/backlink.go. The application concatenates stored block metadata title, name, alias, anchor text and a...

Duplicate Advisory: Missing publish-access check on getBlockBreadcrumb, getRefText, and getBlockTreeInfos discloses content and metadata of protected/forbidden documents

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-67x2-mq63-v9vm. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 fail to enforce publish-access checks on getBlockBreadcrumb, getRefText, and...

CVE-2026-72805

Affected software: SiYuan before v3.7.4. Root cause: endpoints getBlockBreadcrumb, getRefText, and getBlockTreeInfos do not enforce publish-access checks. Impact: anonymous readers or publish RoleReader accounts can disclose document titles, ancestor block content snippets, reference text, and pa...

PT-2026-85352

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-v7ph-r5r6-4jcj. This link is maintained to preserve external references. Original Description SiYuan versions up to and including v3.7.2 fixed in v3.7.4 contain an information disclosure vulnerability in the...

CVE-2026-69086

SiYuan versions before v3.7.3 fail to validate the avID parameter on all code branches in attribute-view read endpoints, allowing attackers to construct traversal paths that escape the storage directory. Authenticated users with RoleReader permissions or anonymous clients when publish...

CVE-2026-69085 SiYuan before v3.7.3 SQL Injection via searchDocs

SiYuan before v3.7.3 contains a SQL injection vulnerability in the /api/filetree/searchDocs endpoint, where the caller-supplied keyword parameter is concatenated directly into SQL statements with no escaping or parameter binding. The endpoint is reachable by a publish RoleReader token, or...

CVE-2026-68587 SiYuan before v3.7.3 Information Disclosure via getHeading*Transaction

SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rendered block DOM without publish-access checks. Anonymous readers or publish RoleReader tokens can...

CVE-2026-69086: Improper Limitation of a Pathname to a Restricted Directory

SiYuan versions before v3.7.3 fail to validate the avID parameter on all code branches in attribute-view read endpoints, allowing attackers to construct traversal paths that escape the storage directory. Authenticated users with RoleReader permissions or anonymous clients when publish...

CVE-2026-69085: Improper Neutralization of Special Elements used in an SQL Command

SiYuan before v3.7.3 contains a SQL injection vulnerability in the /api/filetree/searchDocs endpoint, where the caller-supplied keyword parameter is concatenated directly into SQL statements with no escaping or parameter binding. The endpoint is reachable by a publish RoleReader token, or...

CVE-2026-40259: Improper Authorization

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, the /api/av/removeUnusedAttributeView endpoint is protected only by generic authentication that accepts publish-service RoleReader tokens. The handler passes a caller-controlled id directly to a model...

CVE-2026-30926

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

CVE-2026-30926: Improper Access Control

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

CVE-2026-30926 SiYuan Note publish service authorization bypass allows low-privilege users to modify notebook content

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

GHSA-F9CQ-V43P-V523 SiYuan: Authorization Bypass Allows Low-Privilege Publish User to Modify Notebook Content via /api/block/appendHeadingChildren

Summary A privilege escalation vulnerability exists in the publish service of SiYuan Note that allows a low-privilege publish account RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint only requires model.CheckAuth, which accepts RoleReader...

PT-2026-24116

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.10 Description A privilege escalation issue exists in the publish service of SiYuan Note. A low-privilege publish account RoleReader can modify notebook content through the /api/block/appendHeadingChildren API...