{"id":"CVE-2026-120639","published":"2026-11-04T00:17:25.263","lastModified":"2026-11-04T00:17:25.263","description":"CGI versions before 5.00 for Perl allow HTTP header injection via entity decoding after the newline check in header and unchecked values in multipart_start and do_push.\n\nWith autoEscape off, header decodes HTML entities in extra header values after its newline check, so an encoded CR or LF reaches the response. multipart_start does not check header values for newlines, and do_push does not check the type it prints in each part.\n\nAn application that passes request data into these header values can be made to add headers or split the response.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-113"],"vendors":[],"products":[],"references":[{"url":"https://github.com/leejo/CGI.pm/commit/69955309d371c8093d11cf12e3ddef491537ffad.patch","tags":[]},{"url":"https://github.com/leejo/CGI.pm/commit/7733c2753f4f240012097507cda2b6e87ae46db4.patch","tags":[]},{"url":"https://metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm","tags":[]},{"url":"https://metacpan.org/release/LEEJO/CGI-5.00/changes","tags":[]}],"exploitRefs":[{"url":"https://github.com/leejo/CGI.pm/commit/69955309d371c8093d11cf12e3ddef491537ffad.patch","tags":[]},{"url":"https://github.com/leejo/CGI.pm/commit/7733c2753f4f240012097507cda2b6e87ae46db4.patch","tags":[]}],"hasPoc":true,"ai":null}