CVE-2026-17496: NoteGen before 0.32.0 renders AI chat responses with markdown-it configured with html:true and injects the res

Q: How do I fix CVE-2026-17496?

notegen: upgrade to 0.32.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-17496 being exploited?

CVE-2026-17496 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-17496 affect?

CVE-2026-17496 affects notegen. Severity is high (CVSS 8.1). 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-control

This month

HIGH 8.1UPGRADE

CVE-2026-17496 is a high-severity flaw (CVSS 8.1) affecting notegen. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 hand

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-26
Last modified	2026-10-24

Publisher (CNA): JFrog · Vendor: notegen

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-26 15:16 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

notegen notegen UPGRADE

Affected: < 0.32.0

Fixed in: 0.32.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy notegen || rpm -q notegen || notegen --version

2. UPGRADE to 0.32.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade notegen

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade notegen

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · ntpd-rs · FIXED · 1.7.2-3.eln159 · FEDORA-2026-57e4a99310 · source

sudo dnf upgrade --advisory=FEDORA-2026-57e4a99310

Fedora 46 · moby-engine · FIXED · 29.9.2-2.fc46 · FEDORA-2026-4856be87b3 · source

sudo dnf upgrade --advisory=FEDORA-2026-4856be87b3

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-17496?

notegen: upgrade to 0.32.0. Exact commands for each OS are on this page.

Is CVE-2026-17496 being exploited?

CVE-2026-17496 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-17496 affect?

CVE-2026-17496 affects notegen. Severity is high (CVSS 8.1). 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-control

How urgent is CVE-2026-17496?

Priority 40/100. High severity

Related CVEs

CVE-2026-17497 HIGH 8.3 UPGRADE NoteGen before 0.32.0 grants the Tauri shell plugin shell:allow-execute capability for bash, python, and pytho

References

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