CVE-2026-72812 SiYuan before v3.7.4 Missing Authorization via refreshBacklink

SiYuan versions before v3.7.4 contain a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint that allows anonymous readers to trigger persistent server-side writes. Attackers can invoke the endpoint with an attacker-controlled block ID to flush transaction queues, scan all...

CVE-2026-72810

SiYuan versions before v3.7.4 contain a publish-boundary bypass vulnerability in WebSocket broadcast sessions that allows anonymous readers to receive unfiltered edits. Attackers can establish a WebSocket connection to the publish surface and passively receive real-time content events including...

CVE-2026-72812: Missing Authorization

SiYuan versions before v3.7.4 contain a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint that allows anonymous readers to trigger persistent server-side writes. Attackers can invoke the endpoint with an attacker-controlled block ID to flush transaction queues, scan all...

CVE-2026-73049: Incorrect Authorization

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the getAttributeViewBacklinks endpoint that consults the forbidden access list instead of the visibility list when filtering backlinks. Anonymous readers can supply a publicly visible database row identifier to...

Foxit PDF Reader < 2026.1.3 Vulnerability

According to its version, the Foxit PDF Reader application previously named Foxit Reader installed on the remote Windows host is prior to 2026.1.3. It is, therefore affected by vulnerability: - Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified,...

EUVD-2026-57814

SiYuan before v3.7.4 contains an information disclosure vulnerability in the local storage filter that returns the administrator's entire storage map with only three keys sanitized. Unauthenticated attackers or publish readers can retrieve closed-tab history, search keywords, private document...

CVE-2026-73608 SiYuan before v3.7.4 Authorization Bypass via getAttributeViewSearchTarget

SiYuan's development branch endpoint introduced by commit 9b8e8956f, not present in v3.7.3 or master, patched in v3.7.4 contains a missing-authorization vulnerability in the /api/av/getAttributeViewSearchTarget endpoint. The route is registered with CheckAuth only and performs no authorization...

CVE-2026-18622 Foxit PDF Editor/Reader's signature-validation pop-up reports modified certified documents as valid

Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of...

CVE-2026-18622

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-73608: Missing Authorization

SiYuan's development branch endpoint introduced by commit 9b8e8956f, not present in v3.7.3 or master, patched in v3.7.4 contains a missing-authorization vulnerability in the /api/av/getAttributeViewSearchTarget endpoint. The route is registered with CheckAuth only and performs no authorization...

KLA91221 OSI vulnerability in Foxit Reader

Information disclosure vulnerability was found in Foxit Reader. Malicious users can exploit this vulnerability to obtain sensitive information, bypass security restrictions. Original advisories Foxit Security Bulletins Exploitation Public exploits exist for this vulnerability. Related products...

PT-2026-71437

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description An information disclosure issue exists in the 'getBookmarkLabels' endpoint. The system returns all bookmark labels within the workspace without applying publish-access filtering. This allows anonymous...

CVE-2026-18622: User Interface (UI) Misrepresentation of Critical Information

Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of...

CVE-2026-72800

SiYuan versions before v3.7.4 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint, allowing authenticated readers to retrieve complete database column schemas including descriptions, select vocabularies, and template expressions. Additionally, getBlockDefIDsByRefText a...

CVE-2026-72796

SiYuan before v3.7.4 contains an access control bypass vulnerability where static-file routes in the server mux bypass publish-access controls enforced on the REST API. Attackers with publish reader tokens or anonymous access in disabled-auth mode can read templates, snippets, and export artifact...

CVE-2026-72799

SiYuan before v3.7.4 affected =v3.7.2 fails to enforce publish-access filters on five filetree path-resolution endpoints getFullHPathByID, getHPathByID, getPathByID, getIDsByHPath, and getHPathByPath. In publish mode, when Publish.Auth.Enable is false, an unauthenticated anonymous reader — or any...

CVE-2026-72791

SiYuan v3.7.4-alpha.1 a pre-release; the endpoint does not exist in stable v3.7.3 or earlier contains an information disclosure vulnerability in the /api/av/getAttributeViewFieldViews endpoint. The route is registered with CheckAuth only and applies no publish-access filtering, so reader-role...

CVE-2026-72805 SiYuan before v3.7.4 Information Disclosure via Block Endpoints

SiYuan versions before v3.7.4 fail to enforce publish-access checks on getBlockBreadcrumb, getRefText, and getBlockTreeInfos endpoints, allowing disclosure of protected document content and metadata. Anonymous readers or publish RoleReader accounts can retrieve document titles, ancestor block...

CVE-2026-72796

SiYuan before v3.7.4 suffers an access control bypass where static-file routes in the server mux do not enforce publish-access restrictions applied to the REST API. This allows attackers with publish reader tokens or anonymous access in disabled-auth mode to read templates, snippets, and export a...

CVE-2026-72796 SiYuan before v3.7.4 Access Control Bypass via Static Routes

SiYuan before v3.7.4 contains an access control bypass vulnerability where static-file routes in the server mux bypass publish-access controls enforced on the REST API. Attackers with publish reader tokens or anonymous access in disabled-auth mode can read templates, snippets, and export artifact...