cve-2026-79770

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          "text": "A flaw was found in Nokogiri. A remote attacker can inject specially crafted CSS selectors into methods such as `Node#css` or `Node#at_css`. This injection can lead to regular expression denial of service (ReDoS) due to exponential regex backtracking, causing the application to become unresponsive.",
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          "text": "A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in Nokogiri's CSS selector tokenizer. When processing untrusted user input passed to methods like Node#css, Node#at_css, or Searchable#search, an attacker can inject adversarial CSS selectors containing malicious string literals or identifiers. This triggers exponential regex backtracking within the parser, causing severe CPU exhaustion and leading to a Denial of Service (DoS) for the application thread.",
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            "baseScore": 7.5,
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            "integrityImpact": "NONE",
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