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-2026-73606

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-2026-73606 SiYuan before v3.7.4 Information Disclosure via getRefIDs

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-2026-72803

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs...

CVE-2026-72804

SiYuan before v3.7.4 has an authentication bypass in the getGraph and getLocalGraph endpoints due to failure to validate the publish-password tier. This allows anonymous readers to retrieve block-level content of password-protected documents and view the complete reference topology without supply...

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...

CVE-2026-72804

SiYuan versions before v3.7.4 fail to validate publish-password tier in getGraph and getLocalGraph endpoints, allowing anonymous readers to retrieve block-level content of password-protected documents. Attackers can call these endpoints without supplying a password to read protected document...

EUVD-2026-57452

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected...

CVE-2026-72792

SiYuan before version 3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that reveals tag labels and occurrence counts from password-protected documents to unauthenticated readers, enabling enumeration of vocabulary and internal terminology without the document...

CVE-2026-72792

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected...

PT-2026-71237

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without...

PT-2026-71247

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...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the POST /api/v1/index/stream endpoint. An attacker can access and manipulate backend Solr index data by sending arbitrary streaming expressions without authentication. This allows readin...

CVE-2026-34453

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the publish service exposes bookmarked blocks from password-protected documents to unauthenticated visitors. In publish/read-only mode, /api/bookmark/getBookmark filters bookmark results by calling...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the getBookmark function. An attacker can retrieve sensitive content from password-protected documents by sending unauthenticated requests to the /api/bookmark/getBookmark endpoint, which improperly authorize...

CVE-2026-34453

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the publish service exposes bookmarked blocks from password-protected documents to unauthenticated visitors. In publish/read-only mode, /api/bookmark/getBookmark filters bookmark results by calling...

CVE-2026-34453

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the publish service exposes bookmarked blocks from password-protected documents to unauthenticated visitors. In publish/read-only mode, /api/bookmark/getBookmark filters bookmark results by calling...

PT-2026-29381

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.6.2 Description The publish service in SiYuan allows unauthenticated visitors to access bookmarked blocks from password-protected documents. This occurs because the /api/bookmark/getBookmark endpoint, when operating ...

CVE-2022-43664

A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An...

CVE-2022-43664

A use-after-free vulnerability exists within the way Ichitaro Word Processor 2022, version 1.0.1.57600, processes protected documents. A specially crafted document can trigger reuse of freed memory, which can lead to further memory corruption and potentially result in arbitrary code execution. An...