{"apiVersion":"1.0","identifier":"CVE-2026-79770","description":"Nokogiri versions before 1.19.3 contain regular expression denial of service vulnerabilities in the CSS selector tokenizer affecting string-literal and identifier tokenization. Attackers can inject adversarial CSS selectors into methods like Node#css, Node#at_css, and Searchable#search to cause exponential regex backtracking and denial of service.","publishedAt":"2026-08-25T16:17:28","lastModifiedAt":"2026-08-25T17:18:17","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79770","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0.00278,"riskScore":0.77,"affectedProduct":"Nokogiri","affectedVersions":"<1.19.3","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-79770","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-79770","en":"https://www.redsauce.net/en/cves/CVE-2026-79770","fr":"https://www.redsauce.net/fr/cves/CVE-2026-79770","pt":"https://www.redsauce.net/pt/cves/CVE-2026-79770","de":"https://www.redsauce.net/de/cves/CVE-2026-79770","sk":"https://www.redsauce.net/sk/cves/CVE-2026-79770","el":"https://www.redsauce.net/el/cves/CVE-2026-79770"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-79770"}}