CVE-2026-55570

Technical details are not publicly available in the provided documents. Monitor for updates.

CVE-2026-55570 SiYuan: Stored XSS results to Electron RCE in SiYuan marketplace via unescaped `data-obj` attribute (Bypass for CVE-2026-45375's patch)

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, it does not escape the untrusted fields name, version, author, description when they are serialized into the data-obj HTML attribute of each marketplace card. Because the attribute is single-quoted and the value is...

CVE-2026-54759 SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious in a Bazaar package README that executes arbitrary...

CVE-2026-54759 SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious in a Bazaar package README that executes arbitrary...

CVE-2026-54759

SiYuan’s Lute HTML sanitizer (prior to version 3.7.0) fails to remove elements. When combined with the SiYuan Electron client’s permissive security configuration, a malicious in a Bazaar package README can trigger arbitrary command execution on the victim’s machine when package details are view...

CVE-2026-50551 SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting XSS vulnerability in the Attribute View database asset cell renderer that escalates to remote code execution RCE in the Electron desktop client. This vulnerability is fixed...

CVE-2026-50551 SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting XSS vulnerability in the Attribute View database asset cell renderer that escalates to remote code execution RCE in the Electron desktop client. This vulnerability is fixed...

CVE-2026-50551

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting XSS vulnerability in the Attribute View database asset cell renderer that escalates to remote code execution RCE in the Electron desktop client. This vulnerability is fixed...

CVE-2026-54158 SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the attribute-view database cell renderer genAVValueHTML interpolates cell content raw in four of its branches: text, url, phone, and mAsset. A cell value like or " breaks out of its surrounding tag and runs arbitrary...

CVE-2026-54158

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the attribute-view database cell renderer genAVValueHTML interpolates cell content raw in four of its branches: text, url, phone, and mAsset. A cell value like or " breaks out of its surrounding tag and runs arbitrary...

CVE-2026-54158

SiYuan CVE-2026-54158: A stored XSS in the attribute-view cell renderer (genAVValueHTML) can break out of its tag with crafted values in text/url/phone/mAsset, potentially leading to RCE in Electron if nodeIntegration is enabled. The issue persists in AV files under the workspace and propagates a...

CVE-2026-54067

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer runs with nodeIntegration:tru...

CVE-2026-54067 SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing breaks out of its surrounding tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer...

CVE-2026-54067 SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing breaks out of its surrounding tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer...

CVE-2026-54067 SiYuan: Stored XSS to RCE via CSS-snippet <style> breakout in renderSnippet()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, CSS snippet body containing breaks out of its surrounding tag when renderSnippet interpolates it via insertAdjacentHTML. A payload like runs arbitrary JavaScript in the renderer. On Electron desktop builds the renderer...

CVE-2026-54067

SiYuan (prior to v3.7.0) is affected by a stored XSS in renderSnippet() where a CSS snippet containing breaks out of the surrounding tag during insertion, enabling injected JavaScript in the renderer. In Electron builds with nodeIntegration: true, this can reach Node APIs (e.g., child_process) a...

PT-2026-52104

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description Stored cross-site scripting XSS exists in the Attribute View database asset cell renderer. This issue can escalate to remote code execution RCE within the Electron desktop client. XSS is a flaw that...

PT-2026-52108

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description A flaw exists where a CSS snippet body containing can break out of its surrounding tag during interpolation by the renderSnippet function via insertAdjacentHTML. This allows the execution of arbitrary...

PT-2026-52111

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description The attribute-view cell renderer genAVValueHTML fails to properly sanitize cell content in the text, url, phone, and mAsset branches. This allows an attacker with write access to a synced workspace to...

CVE-2026-54257

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in t...