# Loofah vulnerabilities

Source: https://junglewise.ai/threats/technologies/loofah-loofah  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/loofah-loofah.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Loofah: 3 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126209, was published on 12 November 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 3
- Last 30 days: 3
- Last 90 days: 3
- All time: 3 (0 critical, 0 exploited in the wild)

## About Loofah

Ruby library for safely removing unsafe HTML tags and attributes from user input.

## Latest Loofah vulnerabilities

- [CVE-2026-126209: Loofah allowed_uri? XSS bypass via numeric character reference](https://junglewise.ai/threats/cve-2026-126209-loofah-is-a-general-library-for-manipulating-and-transforming) (medium, published 12 Nov 2026)
- [CVE-2026-126206: Loofah HTML5 Scrub XSS bypass via HTML entity encoding in data URIs](https://junglewise.ai/threats/cve-2026-126206-loofah-allowed-uri-treats-data-text-sol-html-as-safe-text-plain) (medium, published 12 Nov 2026)
- [CVE-2026-126203: Loofah HTML5 scrubber markup injection with Nokogiri](https://junglewise.ai/threats/cve-2026-126203-loofah-is-a-general-library-for-manipulating-and-transforming) (medium, CVSS 6.1, published 12 Nov 2026)

## Most severe Loofah vulnerabilities

- [CVE-2026-126203: Loofah HTML5 scrubber markup injection with Nokogiri](https://junglewise.ai/threats/cve-2026-126203-loofah-is-a-general-library-for-manipulating-and-transforming) (medium, CVSS 6.1, published 12 Nov 2026)
- [CVE-2026-126209: Loofah allowed_uri? XSS bypass via numeric character reference](https://junglewise.ai/threats/cve-2026-126209-loofah-is-a-general-library-for-manipulating-and-transforming) (medium, published 12 Nov 2026)
- [CVE-2026-126206: Loofah HTML5 Scrub XSS bypass via HTML entity encoding in data URIs](https://junglewise.ai/threats/cve-2026-126206-loofah-allowed-uri-treats-data-text-sol-html-as-safe-text-plain) (medium, published 12 Nov 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| 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 | 0 | 0 | 0 |
| 9 Nov 2026 | 3 | 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, "Loofah vulnerabilities", https://junglewise.ai/threats/technologies/loofah-loofah, 13 November 2026.