# Facelessuser Soupsieve vulnerabilities

Source: https://junglewise.ai/threats/technologies/soup-sieve  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 02:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/soup-sieve.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in Facelessuser Soupsieve: 5 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126193, was published on 12 November 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

## Counts

- Last 7 days: 5
- Last 30 days: 5
- Last 90 days: 7
- All time: 9 (0 critical, 0 exploited in the wild)

## About Facelessuser Soupsieve

A CSS selector implementation for the Beautiful Soup HTML parser library.

## Latest Facelessuser Soupsieve vulnerabilities

- [CVE-2026-126193: Soup Sieve recursion error in CSS pseudo-class parsing](https://junglewise.ai/threats/cve-2026-126193-soup-sieve-is-a-css-selector-library-for-beautiful-soup-from-0-4) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-126192: Soup Sieve ReDoS via general sibling combinator in :has()](https://junglewise.ai/threats/cve-2026-126192-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (medium, published 12 Nov 2026)
- [CVE-2026-126191: Soup Sieve CSS selector ReDoS via exponential backtracking](https://junglewise.ai/threats/cve-2026-126191-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (high, CVSS 7.5, published 12 Nov 2026)
- [CVE-2026-126190: Soup Sieve polynomial DoS in descendant combinator matching](https://junglewise.ai/threats/cve-2026-126190-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (high, CVSS 7.5, published 12 Nov 2026)
- [CVE-2026-126189: Soup Sieve quadratic ReDoS in CSS selector matching](https://junglewise.ai/threats/cve-2026-126189-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-86000: Soup Sieve ReDoS in IDENTIFIER and VALUE selector patterns](https://junglewise.ai/threats/cve-2026-86000-soup-sieve-redos-in-identifier-and-value-selector-patterns) (medium, CVSS 5.3, published 17 Sep 2026)
- [CVE-2026-85999: Soup Sieve polynomial-time ReDoS in whitespace trimming regex](https://junglewise.ai/threats/cve-2026-85999-soup-sieve-polynomial-time-redos-in-whitespace-trimming-regex) (medium, CVSS 5.3, published 17 Sep 2026)
- [CVE-2026-49477: facelessuser soupsieve ReDoS in CSS selector parser](https://junglewise.ai/threats/cve-2026-49477-facelessuser-soupsieve-redos-in-css-selector-parser) (high, CVSS 7.5, published 14 Jul 2026)
- [CVE-2026-49476: facelessuser Soup Sieve denial of service via memory exhaustion](https://junglewise.ai/threats/cve-2026-49476-facelessuser-soup-sieve-denial-of-service-via-memory-exhaustion) (high, CVSS 7.5, published 14 Jul 2026)

## Most severe Facelessuser Soupsieve vulnerabilities

- [CVE-2026-49477: facelessuser soupsieve ReDoS in CSS selector parser](https://junglewise.ai/threats/cve-2026-49477-facelessuser-soupsieve-redos-in-css-selector-parser) (high, CVSS 7.5, published 14 Jul 2026)
- [CVE-2026-49476: facelessuser Soup Sieve denial of service via memory exhaustion](https://junglewise.ai/threats/cve-2026-49476-facelessuser-soup-sieve-denial-of-service-via-memory-exhaustion) (high, CVSS 7.5, published 14 Jul 2026)
- [CVE-2026-126191: Soup Sieve CSS selector ReDoS via exponential backtracking](https://junglewise.ai/threats/cve-2026-126191-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (high, CVSS 7.5, published 12 Nov 2026)
- [CVE-2026-126190: Soup Sieve polynomial DoS in descendant combinator matching](https://junglewise.ai/threats/cve-2026-126190-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (high, CVSS 7.5, published 12 Nov 2026)
- [CVE-2026-86000: Soup Sieve ReDoS in IDENTIFIER and VALUE selector patterns](https://junglewise.ai/threats/cve-2026-86000-soup-sieve-redos-in-identifier-and-value-selector-patterns) (medium, CVSS 5.3, published 17 Sep 2026)
- [CVE-2026-85999: Soup Sieve polynomial-time ReDoS in whitespace trimming regex](https://junglewise.ai/threats/cve-2026-85999-soup-sieve-polynomial-time-redos-in-whitespace-trimming-regex) (medium, CVSS 5.3, published 17 Sep 2026)
- [CVE-2026-126193: Soup Sieve recursion error in CSS pseudo-class parsing](https://junglewise.ai/threats/cve-2026-126193-soup-sieve-is-a-css-selector-library-for-beautiful-soup-from-0-4) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-126189: Soup Sieve quadratic ReDoS in CSS selector matching](https://junglewise.ai/threats/cve-2026-126189-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-126192: Soup Sieve ReDoS via general sibling combinator in :has()](https://junglewise.ai/threats/cve-2026-126192-soup-sieve-is-a-css-selector-library-designed-to-be-used-with) (medium, published 12 Nov 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 2 vulnerabilities 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 | 2 | 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 | 5 | 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, "Facelessuser Soupsieve vulnerabilities", https://junglewise.ai/threats/technologies/soup-sieve, 13 November 2026.