EUVD-2026-63829

@fastify/busboy vulnerable to CRLF injection via multipart Content-Disposition filename and name...

CVE-2026-74866

A flaw was found in @fastify/busboy, a Node.js multipart form-data parser. The parser incorrectly handles lone carriage return or line feed characters in multipart part headers, treating them as part of the filename or field name rather than as line breaks. A remote attacker could exploit this by...

SUSE CVE-2026-74866

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

CVE-2026-74866

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

CVE-2026-74866

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

CVE-2026-74866 @fastify/busboy vulnerable to CRLF injection via multipart Content-Disposition filename and name

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

CVE-2026-74866 @fastify/busboy vulnerable to CRLF injection via multipart Content-Disposition filename and name

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

CVE-2026-74866

@fastify/busboy (a multipart form-data parser for Node.js) is vulnerable to CRLF injection via the Content-Disposition filename and field name. The part-header parser splits lines only on the two-byte CRLF sequence, so a lone carriage return or line feed embedded in a part header is carried verba...

CVE-2026-74866: Improper Neutralization of CRLF Sequences

@fastify/busboy is a multipart form-data parser for Node.js. Its multipart part-header parser splits header lines only on the two-byte carriage-return line-feed sequence, so a lone carriage return or line feed embedded in a part header is not treated as a line break and is carried verbatim into t...

PT-2026-79314

Name of the Vulnerable Software and Affected Versions @fastify/busboy versions prior to 3.2.2 Description This multipart form-data parser for Node.js fails to correctly handle lone carriage return or line feed characters in part headers, as it only splits lines on the two-byte carriage-return...