SiYuan <= v3.6.1 - Bookmark Data Disclosure

SiYuan v3.6.2 contains an information disclosure vulnerability caused by improper authorization checks in the publish service's bookmark filtering, letting unauthenticated visitors access bookmarked blocks from password-protected documents, exploit requires access to the publish service. id:...

CVE-2026-85582

SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or...

CVE-2026-85582 SiYuan before v3.8.2 Unbounded Session Creation via Basic Auth

SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or...

CVE-2026-85582 SiYuan before v3.8.2 Unbounded Session Creation via Basic Auth

SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or...

EUVD-2026-71005

SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler that allows authenticated attackers to exhaust memory. Attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or...

CVE-2026-85582

SiYuan versions before v3.8.2 contain an unbounded session creation vulnerability in the publish-service Basic Auth handler . Authenticated attackers can repeatedly authenticate with valid credentials to create persistent session entries without expiry or capacity limits, causing indefinite proce...

CVE-2026-74868

SiYuan versions before 3.7.4 contain an unthrottled brute-force vulnerability in the Publish Service Basic Auth implementation PublishServiceTransport.RoundTrip in kernel/server/proxy/publish.go. The Publish Service runs on a separate, unauthenticated-by-default listener default TCP port 6808 and...

CVE-2026-74868 SiYuan before 3.7.4 Brute-Force Authentication via Publish Service

SiYuan versions before 3.7.4 contain an unthrottled brute-force vulnerability in the Publish Service Basic Auth implementation PublishServiceTransport.RoundTrip in kernel/server/proxy/publish.go. The Publish Service runs on a separate, unauthenticated-by-default listener default TCP port 6808 and...

EUVD-2026-60087

SiYuan versions before 3.7.4 contain an unthrottled brute-force vulnerability in the Publish Service Basic Auth implementation PublishServiceTransport.RoundTrip in kernel/server/proxy/publish.go. The Publish Service runs on a separate, unauthenticated-by-default listener default TCP port 6808 and...

CVE-2026-74868

SiYuan before 3.7.4 has an unthrottled brute-force flaw in PublishServiceTransport.RoundTrip() (kernel/server/proxy/publish.go), where the Publish Service (default TCP 6808) applies Basic Auth with no rate limiting, lockout, or backoff, letting unauthenticated remote attackers guess passwords aga...

CVE-2026-40259

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, the /api/av/removeUnusedAttributeView endpoint is protected only by generic authentication that accepts publish-service RoleReader tokens. The handler passes a caller-controlled id directly to a model...

CVE-2026-40259 SiYuan: Publish Reader Can Arbitrarily Delete Attribute View Files via removeUnusedAttributeView API

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, the /api/av/removeUnusedAttributeView endpoint is protected only by generic authentication that accepts publish-service RoleReader tokens. The handler passes a caller-controlled id directly to a model...

Improper Authorization

Overview Affected versions of this package are vulnerable to Improper Authorization via the /api/av/removeUnusedAttributeView process. An attacker can delete arbitrary attribute view definition files and disrupt workspace integrity and availability by sending crafted requests with a valid reader...

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...

CVE-2026-34453 SiYuan: Broken access control in /api/bookmark/getBookmark allows unauthenticated publish visitors to read password-protected bookmarked content

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...

EUVD-2026-17683

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...

CVE-2026-34453 SiYuan: Broken access control in /api/bookmark/getBookmark allows unauthenticated publish visitors to read password-protected bookmarked content

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 ...