# crass (RubyGems) vulnerabilities Source: https://junglewise.ai/threats/technologies/crass Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/crass.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in crass (RubyGems): 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-61848, was published on 30 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 5 - Last 90 days: 5 - All time: 5 (0 critical, 0 exploited in the wild) ## About crass (RubyGems) Ruby CSS parser and manipulator library. ## Latest crass (RubyGems) vulnerabilities - [CVE-2026-61848: Crass library non-ASCII character parsing DoS](https://junglewise.ai/threats/cve-2026-61848-crass-non-ascii-characters-cause-superlinear-cpu-consumption) (medium, CVSS 4, published 30 Oct 2026) - [CVE-2026-61847: Crass CSS parser stack overflow via excessive comments](https://junglewise.ai/threats/cve-2026-61847-crass-a-large-number-of-adjacent-css-comments-can-trigger-a) (medium, CVSS 4, published 30 Oct 2026) - [CVE-2026-61846: Crass CSS parser uncontrolled recursion denial of service](https://junglewise.ai/threats/cve-2026-61846-crass-deeply-nested-css-blocks-and-functions-can-trigger-a) (medium, CVSS 4, published 30 Oct 2026) - [CVE-2026-61845: Crass CSS parser denial of service via large numeric exponents](https://junglewise.ai/threats/cve-2026-61845-crass-large-numeric-exponents-cause-cpu-and-memory-denial-of) (high, CVSS 4, published 30 Oct 2026) - [CVE-2026-116695: Crass CSS parser bad URL tokenizer bypass in sanitizers](https://junglewise.ai/threats/cve-2026-116695-crass-is-a-ruby-css-parser-that-is-compliant-with-the-css-syntax) (medium, CVSS 4, published 27 Oct 2026) ## Most severe crass (RubyGems) vulnerabilities - [CVE-2026-61845: Crass CSS parser denial of service via large numeric exponents](https://junglewise.ai/threats/cve-2026-61845-crass-large-numeric-exponents-cause-cpu-and-memory-denial-of) (high, CVSS 4, published 30 Oct 2026) - [CVE-2026-116695: Crass CSS parser bad URL tokenizer bypass in sanitizers](https://junglewise.ai/threats/cve-2026-116695-crass-is-a-ruby-css-parser-that-is-compliant-with-the-css-syntax) (medium, CVSS 4, published 27 Oct 2026) - [CVE-2026-61848: Crass library non-ASCII character parsing DoS](https://junglewise.ai/threats/cve-2026-61848-crass-non-ascii-characters-cause-superlinear-cpu-consumption) (medium, CVSS 4, published 30 Oct 2026) - [CVE-2026-61847: Crass CSS parser stack overflow via excessive comments](https://junglewise.ai/threats/cve-2026-61847-crass-a-large-number-of-adjacent-css-comments-can-trigger-a) (medium, CVSS 4, published 30 Oct 2026) - [CVE-2026-61846: Crass CSS parser uncontrolled recursion denial of service](https://junglewise.ai/threats/cve-2026-61846-crass-deeply-nested-css-blocks-and-functions-can-trigger-a) (medium, CVSS 4, published 30 Oct 2026) ## Vulnerabilities per week 5 vulnerabilities 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 | 5 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other RubyGems technologies - [actionpack (RubyGems)](https://junglewise.ai/threats/technologies/actionpack): 77 vulnerabilities - [nokogiri (RubyGems)](https://junglewise.ai/threats/technologies/nokogiri): 69 vulnerabilities - [rack (RubyGems)](https://junglewise.ai/threats/technologies/rack): 55 vulnerabilities - [activerecord (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-activerecord): 26 vulnerabilities - [rubygems-update (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-update): 25 vulnerabilities - [puppet (RubyGems)](https://junglewise.ai/threats/technologies/puppet): 23 vulnerabilities - [activesupport (RubyGems)](https://junglewise.ai/threats/technologies/activesupport): 20 vulnerabilities - [actionview (RubyGems)](https://junglewise.ai/threats/technologies/actionview): 19 vulnerabilities - [activestorage (RubyGems)](https://junglewise.ai/threats/technologies/activestorage): 19 vulnerabilities - [camaleon_cms (RubyGems)](https://junglewise.ai/threats/technologies/camaleon-cms): 19 vulnerabilities - [rails-html-sanitizer (RubyGems)](https://junglewise.ai/threats/technologies/rails-html-sanitizer): 18 vulnerabilities - [loofah (RubyGems)](https://junglewise.ai/threats/technologies/loofah): 17 vulnerabilities ## 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, "crass (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/crass, 13 November 2026.