{"affected":[{"defaultStatus":"unaffected","ecosystem":"cpan","packageName":"CGI","product":"","source":"CNA: CPANSec","vendor":"","versions":[{"lessThan":"5.00","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-120635","cwes":["CWE-436"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793749215070,"publishedAt":1793749215070,"references":[{"source":"CNA: CPANSec","tags":["technical-description"],"url":"https://www.rfc-editor.org/rfc/rfc2046#section-5.1.1"},{"source":"CNA: CPANSec","tags":["technical-description"],"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm"},{"source":"CNA: CPANSec","tags":["release-notes"],"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes"},{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/f719fc08e8756708bcd4f1e357d5c0f8702f85dd.patch"},{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/cbf04979f9974458ac223793bbd9d0b6a772aa66.patch"},{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/fe9516804d59a3774e280c15dbb7072fbd0ba5f1.patch"},{"source":"CNA: CPANSec","tags":["patch"],"url":"https://github.com/leejo/CGI.pm/commit/e0ef8f4248c6ae3025749040d8595d206b6a1b49.patch"}],"remediation":[{"kind":"fix","source":"CNA: CPANSec","text":"Upgrade to CGI 5.00 or later."},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/leejo/CGI.pm/commit/f719fc08e8756708bcd4f1e357d5c0f8702f85dd.patch"},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/leejo/CGI.pm/commit/cbf04979f9974458ac223793bbd9d0b6a772aa66.patch"},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/leejo/CGI.pm/commit/fe9516804d59a3774e280c15dbb7072fbd0ba5f1.patch"},{"kind":"fix","source":"CNA: CPANSec","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/leejo/CGI.pm/commit/e0ef8f4248c6ae3025749040d8595d206b6a1b49.patch"}],"revision":"19b5c658caa9ca56dd7c299ad339085dc98f5e4080bf6ec330721cc5baa33d47","sources":[{"modifiedAt":1793749215070,"name":"CNA: CPANSec","retrievedAt":1793750973018,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120635"}],"ssvc":null,"status":"published","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","updatedAt":1793750973018}