CVE-2026-57434

highCVSS 7.5covered by 1 sourcefirst seen 2026-06-09

CSIRTS triage

What: This vulnerability involves a null pointer dereference when calling methods on uninitialized wrapper classes.
Who is affected: Deployments using Nokogiri library.
Urgency: Remediation is urgent due to the high severity rating.
Action: Update to the latest version of Nokogiri to fix this issue.

AI-assisted analysis generated from the source advisory — verify against the original.

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Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.

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