CVE-2026-17496

NoteGen chat preview XSS via unsanitized AI/skill HTML rendering

HIGH
8.1
CVSS Score
Published: July 26, 2026 at 02:33 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
2 products affected across 2 vendorsNotegenNoteGen

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Severity
HIGH8.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

NoteGen before 0.32.0 renders AI chat responses with markdown-it configured with html:true and injects the result into the DOM via dangerouslySetInnerHTML in chat-preview, without HTML sanitization and with CSP set to null. Attacker-controlled content that reaches the model prompt (for example a malicious skill REFERENCE.md that instructs the model to emit HTML) can cause the model response to include executable markup such as an img onerror handler. When the user views the chat response, that markup runs as JavaScript in the privileged Tauri webview, enabling arbitrary script execution in the application context (cross-site scripting).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.32.0
Affected range stops below 0.32.0, so it looks safe — our inference, not a vendor statement
0 ≤ v < 0.32.0
Affected range stops below 0.32.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHJFROG
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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