CVE-2026-12143

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

CSIRTS triage

What: The form-data library does not escape CR/LF/quote in multipart field names and filenames, leading to CRLF injection.
Who is affected: Applications using the form-data library are affected.
Urgency: Remediation is high urgency due to the high severity rating.
Action: Update the form-data library to a patched version.

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

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Low exploitation risk0.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all EPSS-scored CVEs.

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