CVE-2026-57236
CSIRTS triage
- What
- Possible use-after-free when encoding raises an exception.
- Who is affected
- Users of Nokogiri library.
- Urgency
- Remediation is high priority due to the high severity of the vulnerability.
- Action
- Update Nokogiri to the latest version to mitigate the use-after-free risk.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Advisory coverage (1)
External references
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[](https://www.csirts.com/cve/CVE-2026-57236)