PT-2026-85627

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fbdev component where user-invoked calls to the fb set var function were not consistently handling fbcon during display updates. While the FBIOPUT VSCREENINFO ioct...

PT-2026-91337

In the Linux kernel, the following vulnerability has been resolved: fbdev: Wrap user-invoked calls to fb set var in helper Handle fbcon during display updates in fb set var from user. Check with fbcon if the mode change is possible, update hardware state and finally update fbcon. Update all...

CVE-2026-80786: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: Wrap user-invoked calls to fbsetvar in helper Handle fbcon during display updates in fbsetvarfromuser. Check with fbcon if the mode change is possible, update hardware state and finally update fbcon. Update all callers. On...

PT-2026-85626

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the fbdev component, the functions show mode, show modes, and store mode access fb info-modelist and fb info-mode without utilizing the lock fb info function. Because store modes...

CVE-2026-18167

A stack-based buffer overflow vulnerability exists in the EasyMesh module of TP-Link Archer AX55 v4. When Mesh mode is enabled, a LAN attacker may submit crafted input that causes the easymesh daemon to crash and may potentially achieve remote code execution on the device. Successful exploitation...

GHSA-5FHR-F75J-8WR9 SiYuan: Missing publish-access filter on getAttributeViewKeysByID discloses database column schema, plus two unscoped block-ID enumeration oracles (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72800. Summary POST /api/av/getAttributeViewKeysByID returns a database's full column schema with no publish-access filtering, while its sibling getAttributeViewKeys applies the filter for reader sessions. Two further endpoints,...

SiYuan: Missing publish-access filter on getAttributeViewKeysByID discloses database column schema, plus two unscoped block-ID enumeration oracles (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72800. Summary POST /api/av/getAttributeViewKeysByID returns a database's full column schema with no publish-access filtering, while its sibling getAttributeViewKeys applies the filter for reader sessions. Two further endpoints,...

EUVD-2026-57461

SiYuan: Encrypted-notebook key-derivation material and wrapped notebook keys disclosed to anonymous readers, enabling offline master-password cracking...

SiYuan: Missing publish-access filter on getFileAnnotation discloses private PDF annotations of forbidden/protected documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72808. Summary The /api/asset/getFileAnnotation endpoint returns the content of .sya PDF-annotation files with no publish-access check. It is gated by CheckAuth only, so it is reachable by the publish RoleReader token and by the anonymous account wh...

GHSA-V7PH-R5R6-4JCJ SiYuan: Missing publish-access filter on getFileAnnotation discloses private PDF annotations of forbidden/protected documents (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72808. Summary The /api/asset/getFileAnnotation endpoint returns the content of .sya PDF-annotation files with no publish-access check. It is gated by CheckAuth only, so it is reachable by the publish RoleReader token and by the anonymous account wh...

SiYuan: SQL injection in backlink/mention search via unescaped stored and client input (publish mode): first-order (client keyword) and second-order (stored document title) breakout on read-write handle

CVE: This vulnerability corresponds to CVE-2026-72811. Summary The backlink/mention search query kernel/model/backlink.go concatenates stored block metadata title, name, alias, anchor text and the client-supplied keyword into a SQL MATCH/search statement, escaping only the double-quote character ...

GHSA-WGWX-479J-23VQ SiYuan: Missing authorization on refreshBacklink allows anonymous readers to trigger persistent server-side writes and unauthenticated resource amplification (publish mode)

CVE: This vulnerability corresponds to CVE-2026-72812. Summary The /api/ref/refreshBacklink endpoint is gated by CheckAuth only. Unlike its mutating siblings, it carries no CheckAdminRole, no CheckReadonly, and no inline reader-role guard so it falls through all three authorization mechanisms the...

GHSA-7J72-F6WG-CXW6 SiYuan: Anonymous publish-password authentication bypass via getHeadingChildrenDOM / getHeading*Transaction / getBacklinkDoc (publish mode)

CVE: This vulnerability corresponds to CVE-2026-68584. Summary SiYuan's publish mode defines a "protected" access level: a document that is publicly listed but requires a password to read per the product's own UI help text, protected = "Publicly visible, requires password to access". The password...

SiYuan: Cross-boundary metadata disclosure via getBlockInfo (publish mode): reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered

CVE: This vulnerability corresponds to CVE-2026-68585. Summary The /api/block/getBlockInfo endpoint returns document root metadata including the document title rootTitle for a block in a publish-forbidden document, with no publish-access check. Its sibling /api/block/getDocInfo applies the...

GHSA-PM3W-VXP9-CCWC SiYuan: Cross-boundary metadata disclosure via getBlockInfo (publish mode): reader-reachable document title/root info for publish-forbidden docs; sibling getDocInfo is filtered

CVE: This vulnerability corresponds to CVE-2026-68585. Summary The /api/block/getBlockInfo endpoint returns document root metadata including the document title rootTitle for a block in a publish-forbidden document, with no publish-access check. Its sibling /api/block/getDocInfo applies the...

SiYuan: Cross-boundary content disclosure via getBacklinkDoc/getBackmentionDoc (publish mode): reader-reachable rendered DOM of publish-forbidden docs; sibling list endpoints are filtered

CVE: This vulnerability corresponds to CVE-2026-68586. Summary The backlink API splits into list endpoints which documents reference a block and content endpoints the rendered text of those referencing blocks. The list endpoints apply a publish-access filter, the content endpoints do not. As a...

GHSA-36V8-MPJM-8J5R SiYuan: Cross-boundary content disclosure via getBacklinkDoc/getBackmentionDoc (publish mode): reader-reachable rendered DOM of publish-forbidden docs; sibling list endpoints are filtered

CVE: This vulnerability corresponds to CVE-2026-68586. Summary The backlink API splits into list endpoints which documents reference a block and content endpoints the rendered text of those referencing blocks. The list endpoints apply a publish-access filter, the content endpoints do not. As a...

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...

GHSA-FPH3-GHQ9-VW66 SiYuan: Unauthenticated SQL execution and REGEXP injection via fullTextSearchAssetContent (publish mode): reader-reachable raw SQL (method 2) and unescaped REGEXP (method 3) on read-write asset-content DB

CVE: This vulnerability corresponds to CVE-2026-69083. Summary The /api/search/fullTextSearchAssetContent endpoint exposes two SQL flaws on the asset-content database, both reachable by the publish RoleReader token and by the anonymous account when Publish.Auth.Enable is false: 1. method 2 passes...

SiYuan: Unauthenticated SQL execution and REGEXP injection via fullTextSearchAssetContent (publish mode): reader-reachable raw SQL (method 2) and unescaped REGEXP (method 3) on read-write asset-content DB

CVE: This vulnerability corresponds to CVE-2026-69083. Summary The /api/search/fullTextSearchAssetContent endpoint exposes two SQL flaws on the asset-content database, both reachable by the publish RoleReader token and by the anonymous account when Publish.Auth.Enable is false: 1. method 2 passes...