CVE-2026-17496 is a cross-site scripting vulnerability in NoteGen versions prior to 0.32.0. The flaw arises because AI chat responses are rendered with markdown-it configured with HTML enabled and then inserted into the DOM through dangerouslySetInnerHTML in the chat preview component without HTML sanitization. The application also lacks an effective Content Security Policy, allowing executable markup contained in model output to run. If attacker-controlled content influences the model prompt and causes the model to emit HTML containing script-capable event handlers or similar active content, that markup executes when the user views the rendered chat response. Because execution occurs inside a privileged Tauri webview, the issue results in arbitrary JavaScript execution within the application context.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.