{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120635","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-11-02T17:40:25.384Z","datePublished":"2026-11-03T23:40:15.070Z","dateUpdated":"2026-11-03T23:40:15.070Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["CGI"],"packageName":"CGI","packageURL":"pkg:cpan/CGI","programFiles":["lib/CGI.pm"],"programRoutines":[{"name":"CGI::read_multipart"},{"name":"CGI::_mp_value_parse"},{"name":"CGI::MultipartBuffer::new"},{"name":"CGI::MultipartBuffer::read"}],"repo":"https://github.com/leejo/CGI.pm","versions":[{"lessThan":"5.00","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"CGI versions before 5.00 for Perl allow form fields to be smuggled past proxies and WAFs via multipart parsing that differs from the RFCs.\n\nThe multipart/form-data parser matches the boundary anywhere rather than at the start of a line, uses the boundary without its leading -- for some client-supplied User-Agent values, finds the Content-Disposition name and filename inside the quoted values of other parameters, and corrupts parts when the boundary nears the 4096-byte read size."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-436","description":"CWE-436 Interpretation Conflict","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-11-03T23:40:15.070Z"},"references":[{"tags":["technical-description"],"url":"https://www.rfc-editor.org/rfc/rfc2046#section-5.1.1"},{"tags":["technical-description"],"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm"},{"tags":["release-notes"],"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes"},{"tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/f719fc08e8756708bcd4f1e357d5c0f8702f85dd.patch"},{"tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/cbf04979f9974458ac223793bbd9d0b6a772aa66.patch"},{"tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/fe9516804d59a3774e280c15dbb7072fbd0ba5f1.patch"},{"tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/e0ef8f4248c6ae3025749040d8595d206b6a1b49.patch"}],"solutions":[{"lang":"en","value":"Upgrade to CGI 5.00 or later."}],"source":{"discovery":"UNKNOWN"},"title":"CGI versions before 5.00 for Perl allow form fields to be smuggled past proxies and WAFs via multipart parsing that differs from the RFCs","x_generator":{"engine":"cpansec-cna-tool 0.1"}}}}