CVE-2026-30926 SiYuan Note publish service authorization bypass allows low-privilege users to modify notebook content

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

CVE-2026-30926 SiYuan Note publish service authorization bypass allows low-privilege users to modify notebook content

SiYuan is a personal knowledge management system. Prior to 3.5.10, a privilege escalation vulnerability exists in the publish service of SiYuan Note that allows low-privilege publish accounts RoleReader to modify notebook content via the /api/block/appendHeadingChildren API endpoint. The endpoint...

CVE-2026-31809

creationtimestamp| type| source ---|---|--- 2026-03-09 08:40:48+00:00| published-proof-of-concept| https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pmc9-f5qr-2pcr...

CVE-2026-30926

creationtimestamp| type| source ---|---|--- 2026-03-07 02:16:33+00:00| published-proof-of-concept| https://github.com/siyuan-note/siyuan/security/advisories/GHSA-f9cq-v43p-v523...

SUSE CVE-2026-23645

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

CVE-2026-25647 Lute has a Stored Cross-Site Scripting (XSS) via Markdown hyperlink

Lute is a structured Markdown engine supporting Go and JavaScript. Lute 1.7.6 and earlier as used in SiYuan before has a Stored Cross-Site Scripting XSS vulnerability in the Markdown rendering engine. An attacker can inject malicious JavaScript into a Markdown text/note. When another user clicks...

GO-2026-4343 SiYuan has a Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel

SiYuan has a Reflected Cross-Site Scripting XSS via /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel...

SiYuan Vulnerable to Arbitrary File Read via File Copy Functionality

Summary The SiYuan Note application v3.5.3 contains a logic vulnerability in the /api/file/globalCopyFiles endpoint. The function allows authenticated users to copy files from any location on the server's filesystem into the application's workspace without proper path validation Details The...

GHSA-94C7-G2FJ-7682 SiYuan Vulnerable to Arbitrary File Read via File Copy Functionality

Summary The SiYuan Note application v3.5.3 contains a logic vulnerability in the /api/file/globalCopyFiles endpoint. The function allows authenticated users to copy files from any location on the server's filesystem into the application's workspace without proper path validation Details The...

CVE-2026-23645

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

CVE-2026-23645

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

SiYuan Has a Stored Cross-Site Scripting (XSS) Vulnerability via Unrestricted SVG File Upload

Summary A Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an untrusted source, arbitrary JavaScript code is executed in the context of their authenticate...

GHSA-PCJQ-J3MQ-JV5J SiYuan Has a Stored Cross-Site Scripting (XSS) Vulnerability via Unrestricted SVG File Upload

Summary A Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an untrusted source, arbitrary JavaScript code is executed in the context of their authenticate...

CVE-2026-23645 SiYuan Vulnerable to Stored Cross-Site Scripting (XSS) via Unrestricted SVG File Upload

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

CVE-2026-23645

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

CVE-2026-23645 SiYuan Vulnerable to Stored Cross-Site Scripting (XSS) via Unrestricted SVG File Upload

SiYuan is self-hosted, open source personal knowledge management software. Prior to 3.5.4-dev2, a Stored Cross-Site Scripting XSS vulnerability exists in SiYuan Note. The application does not sanitize uploaded SVG files. If a user uploads and views a malicious SVG file e.g., imported from an...

CVE-2026-23645

Summary: SiYuan Note is vulnerable to a Stored XSS via unrestricted SVG uploads in the kernel/upload path prior to version 3.5.4-dev2. The root cause is that uploaded SVG files are not sanitized, enabling embedded JavaScript to execute in an authenticated user’s session when the file is viewed or...

PT-2026-3304

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.4-dev2 Description SiYuan Note does not properly sanitize uploaded SVG files. This allows a user to upload a malicious SVG file, such as one obtained from an untrusted source, which can then execute arbitrary...

CVE-2025-68948

SiYuan Note (pre-3.5.1) stores session data with a hardcoded cryptographic secret, making session encryption ineffective. The AccessAuthCode is kept in the session cookie, so an attacker who obtains or intercepts that cookie can locally decrypt it with the public key, retrieve the code in plain t...

CVE-2025-68948 SiYuan: Information Disclosure and Authentication Bypass via Hardcoded Session Secret

SiYuan is self-hosted, open source personal knowledge management software. In versions 3.5.1 and prior, the SiYuan Note application utilizes a hardcoded cryptographic secret for its session store. This unsafe practice renders the session encryption ineffective. Since the sensitive AccessAuthCode ...