Unchecked Return Value Affecting nokogiri package, versions >=1.5.1, <1.19.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUBY-NOKOGIRI-19426888
- published29 Aug 2026
- disclosed25 Aug 2026
- creditUnknown
Introduced: 25 Aug 2026
NewCVE-2026-79772 (opens in a new tab)How to fix?
Upgrade nokogiri to version 1.19.1 or higher.
Overview
nokogiri is a gem for parsing HTML, XML, SAX, and Reader.
Affected versions of this package are vulnerable to Unchecked Return Value in the canonicalize process. An attacker can bypass signature validation by supplying invalid canonicalized XML that is incorrectly accepted as valid.