# Tornadoweb Tornado vulnerabilities

Source: https://junglewise.ai/threats/technologies/tornadoweb-tornado  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/tornadoweb-tornado.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Tornadoweb Tornado: 1 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-123534, was published on 8 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 1
- Last 30 days: 1
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Tornadoweb Tornado

Tornado is a Python web framework and asynchronous networking library for building web applications.

## Latest Tornadoweb Tornado vulnerabilities

- [CVE-2026-123534: Tornado path traversal in static_url() and get_version()](https://junglewise.ai/threats/cve-2026-123534-tornado-before-6-6-contains-a-path-traversal-vulnerability-in) (medium, CVSS 6.5, published 8 Nov 2026)
- [CVE-2025-67726: Tornado quadratic DoS in httputil _parseparam](https://junglewise.ai/threats/cve-2025-67726-tornado-quadratic-dos-in-httputil-parseparam) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2025-67725: Tornado quadratic DoS via repeated header coalescing](https://junglewise.ai/threats/cve-2025-67725-tornado-quadratic-dos-via-repeated-header-coalescing) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2025-67724: Tornado header injection and XSS in reason argument](https://junglewise.ai/threats/cve-2025-67724-tornado-header-injection-and-xss-in-reason-argument) (medium, CVSS 5.4, published 12 Dec 2025)

## Most severe Tornadoweb Tornado vulnerabilities

- [CVE-2025-67725: Tornado quadratic DoS via repeated header coalescing](https://junglewise.ai/threats/cve-2025-67725-tornado-quadratic-dos-via-repeated-header-coalescing) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2025-67726: Tornado quadratic DoS in httputil _parseparam](https://junglewise.ai/threats/cve-2025-67726-tornado-quadratic-dos-in-httputil-parseparam) (high, CVSS 7.5, published 12 Dec 2025)
- [CVE-2026-123534: Tornado path traversal in static_url() and get_version()](https://junglewise.ai/threats/cve-2026-123534-tornado-before-6-6-contains-a-path-traversal-vulnerability-in) (medium, CVSS 6.5, published 8 Nov 2026)
- [CVE-2025-67724: Tornado header injection and XSS in reason argument](https://junglewise.ai/threats/cve-2025-67724-tornado-header-injection-and-xss-in-reason-argument) (medium, CVSS 5.4, published 12 Dec 2025)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Tornadoweb Tornado vulnerabilities", https://junglewise.ai/threats/technologies/tornadoweb-tornado, 9 November 2026.