LIVE · cybersecurity feed
Live wire
CVE-2026-81578 · PaperCut NG/MF Flaw Exploited Before CVE PublicationCVE-2026-82078 · PaperCut NG/MF Flaw Exploited Before CVE PublicationCVE-2026-83549 · SonicWall SMA1000 OS Command Injection Exploited Same Day as DisclosureCVE-2026-83548 · SonicWall SMA1000 SSRF Flaw Exploited Same Day as DisclosureCVE-2026-82329 · JFrog Artifactory Flaw Exploited Same Day as DisclosureOpenAI Announced $1B in Defensive Tools for Water UtilitiesAttackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS CredentialsCVE-2026-59346 · Critical VMware Workstation and Fusion Flaw Lets VM Admins Execute Host CodeCVE-2026-32475 · Elementor Pro WordPress Plugin Vulnerability Exploited to Hack SitesBroadcom Patches Critical VMware Workstation and Fusion VM-Escape Vulnerabilities
cve recordcritical

CVE-2026-56397

Published
CVSS9.6
Severitycritical
WeaknessCWE-79
ExploitedNot in CISA KEV

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package displayName, description, or README fields, exploiting Electron's nodeIntegration setting to execute OS commands.

References

← Back to the CVE Tracker

Our coverage of CVE-2026-56397

No stories yet. This page updates automatically when we publish reporting that references CVE-2026-56397.