CVE-2026-74906 SiYuan before v3.7.4 Incorrect Authorization via Publish Access

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

EUVD-2026-60587

SiYuan before v3.7.4 contains an incorrect authorization vulnerability in eight publish-mode reader-facing endpoints that filter results using the visibility list instead of the disabled list. Anonymous visitors can discover and read content from documents explicitly marked as forbidden from...

CVE-2026-74906

SiYuan before v3.7.4 incorrectly filters eight publish-mode endpoints (search, backlink, asset content, saved criteria, recent documents, graph, tag) using the visibility list instead of the disabled list, allowing anonymous users to read documents explicitly marked as forbidden from publishing. ...

CVE-2026-74904

In SiYuan before v3.7.4, 17 block endpoints in kernel/api/block.go (getRefText, checkBlockExist, getBlockBreadcrumb) are gated only by model.CheckAuth without publish-access filtering, letting anonymous publish-mode readers disclose private block content, metadata, and existence info. Patch to v3...

CVE-2026-74904 SiYuan before v3.7.4 Missing Authorization via block API

SiYuan before v3.7.4 is missing authorization checks in 17 block metadata/content endpoints in kernel/api/block.go including getRefText, checkBlockExist, and getBlockBreadcrumb. These handlers are gated only by basic authentication model.CheckAuth and lack publish-access filtering, allowing...

EUVD-2026-60585

SiYuan before v3.7.4 is missing authorization checks in 17 block metadata/content endpoints in kernel/api/block.go including getRefText, checkBlockExist, and getBlockBreadcrumb. These handlers are gated only by basic authentication model.CheckAuth and lack publish-access filtering, allowing...

BIT-DISCOURSE-2026-72723 Discourse: Anonymous sidebar serialization exposes descriptions of category-restricted tags

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, SiteSerializer.anonymousdefaultnavigationmenutags serializes tags from SiteSetting.defaultnavigationmenutags without applying DiscourseTagging.filtervisible for the anonymous viewer. An...

kernel: mm: thp: deny THP for files on anonymous inodes

A flaw was found in the Linux kernel's Transparent Huge Pages THP mechanism. This vulnerability occurs because the filethpenabled function incorrectly allows THP for files on anonymous inodes, which are not designed for this feature. An attacker could potentially exploit this by manipulating...

CVE-2026-73049

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...

CVE-2026-73630

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and is reachable anonymously. The endpoint never sets a failure code, so its outcome is signalled entirely by the response message and...

CVE-2026-72812

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-2026-73630 SiYuan before v3.7.4 Information Disclosure via authFilePublishAccess

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and is reachable anonymously. The endpoint never sets a failure code, so its outcome is signalled entirely by the response message and...

CVE-2026-73630

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and reachable anonymously. The endpoint does not return a failure code; its outcome is signalled solely by the response message and th...

CVE-2026-73630

SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and is reachable anonymously. The endpoint never sets a failure code, so its outcome is signalled entirely by the response message and...

EUVD-2026-58618

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...

CVE-2026-73049

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...

CVE-2026-73049

SiYuan before v3.7.4 contains an information disclosure vulnerability in the getAttributeViewBacklinks endpoint, where filtering backlinks consults the forbidden access list instead of the visibility list. This allows anonymous readers to supply a publicly visible database row identifier and disc...

CVE-2026-73049 SiYuan before v3.7.4 Information Disclosure via getAttributeViewBacklinks

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...

CVE-2026-72812

SiYuan has a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint for versions before v3.7.4. The issue allows anonymous readers to trigger persistent server-side writes by supplying an attacker-controlled block ID, which can flush transaction queues, scan all references g...