CVE-2026-87809

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

CVE-2026-87809 Siyuan before v3.8.2 Information Disclosure via Export Preview

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

CVE-2026-87809

Siyuan before v3.8.2 contains an information disclosure flaw where publish-access filtering is not applied to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. An attacker with reader-level access can retrieve the full rendered content of private...

CVE-2026-87809 Siyuan before v3.8.2 Information Disclosure via Export Preview

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

EUVD-2026-74835

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

CVE-2026-87809 Siyuan before v3.8.2 Information Disclosure via Export Preview

Siyuan before v3.8.2 fails to apply publish-access filtering to embedded blocks before rendering in the /api/export/preview and /api/lute/copyStdMarkdown endpoints. Attackers with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by accessing publ...

PT-2026-88947

Name of the Vulnerable Software and Affected Versions Siyuan versions prior to 3.8.2 Description Insufficient publish-access filtering for embedded blocks occurs during rendering. Users with reader access can retrieve the full rendered content of private, hidden, or publish-disabled blocks by...

GHSA-H6W7-XXCF-W2MQ SiYuan: Embedded (transclusion) block content is returned without publish-access filtering, leaking private and password-protected document content to anonymous readers

CVE: This vulnerability corresponds to CVE-2026-72795. Summary /api/block/getBlockDOMWithEmbed and /api/block/getBlockDOMsWithEmbed gate only the requested block against publish access. The blocks pulled in by that block's embed transclusion query are inlined into the returned DOM with no...

Duplicate Advisory: Embedded (transclusion) block content is returned without publish-access filtering, leaking private and password-protected document content to anonymous readers

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-h6w7-xxcf-w2mq. This link is maintained to preserve external references. Original Description SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and...

PT-2026-71237

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.4 Description An issue exists where the software fails to filter embedded block content based on publish access permissions. While the initial requested block is checked for authorization, blocks pulled in via embe...

CVE-2024-10493

The Element Pack Elementor Addons Header Footer, Template Library, Dynamic Grid & Carousel, Remote Arrows WordPress plugin before 5.10.3 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the...

CVE-2024-3692

The Gutenverse WordPress plugin before 1.9.1 does not validate the htmlTag option in various of its block before outputting it back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks...