{ "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "description", "text": "HTTP::Body versions before 1.23_01 for Perl drop mixed-case percent escapes from urlencoded form fields instead of decoding them.\n\nThe decode table holds only the all-lowercase and all-uppercase spelling of each hex pair, while the escape pattern matches either case. An escape such as %aB finds no entry and is replaced with nothing, joining the bytes on either side. Hex digits in percent escapes are case-insensitive, and conforming decoders return the byte.\n\nA remote attacker can send a field name or value that a conforming decoder in front of the application reads differently, so that pass%aBword reaches the application as password.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-HTTP-Body-2026-116135 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-http-body-2026-116135.json" }, { "category": "external", "summary": "https://github.com/libwww-perl/HTTP-Body/commit/336f1a23b4115a5cbeb546f36df5af62c90bdc0d.patch", "url": "https://github.com/libwww-perl/HTTP-Body/commit/336f1a23b4115a5cbeb546f36df5af62c90bdc0d.patch" }, { "category": "external", "summary": "https://metacpan.org/release/GETTY/HTTP-Body-1.24/changes", "url": "https://metacpan.org/release/GETTY/HTTP-Body-1.24/changes" }, { "category": "external", "summary": "https://www.rfc-editor.org/rfc/rfc3986#section-2.1", "url": "https://www.rfc-editor.org/rfc/rfc3986#section-2.1" }, { "category": "external", "summary": "CVE-2026-116135 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-116135" } ], "title": "HTTP-Body vulnerability", "tracking": { "current_release_date": "2026-10-28T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-HTTP-Body-2026-116135", "initial_release_date": "2026-10-28T00:00:00", "revision_history": [ { "date": "2026-10-28T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/<1.23_01", "product": { "name": "HTTP-Body less than 1.23_01", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/HTTP-Body" } } }, { "category": "product_version_range", "name": "vers:cpan/>=1.23_01", "product": { "name": "HTTP-Body greater than or equal 1.23_01", "product_id": "CSAFPID-0002", "product_identification_helper": { "purl": "pkg:cpan/HTTP-Body" } } } ], "category": "product_name", "name": "HTTP-Body" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-116135", "cwe": { "id": "CWE-178", "name": "Improper Handling of Case Sensitivity" }, "notes": [ { "category": "description", "text": "HTTP::Body versions before 1.23_01 for Perl drop mixed-case percent escapes from urlencoded form fields instead of decoding them.\n\nThe decode table holds only the all-lowercase and all-uppercase spelling of each hex pair, while the escape pattern matches either case. An escape such as %aB finds no entry and is replaced with nothing, joining the bytes on either side. Hex digits in percent escapes are case-insensitive, and conforming decoders return the byte.\n\nA remote attacker can send a field name or value that a conforming decoder in front of the application reads differently, so that pass%aBword reaches the application as password.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "CSAFPID-0002" ], "known_affected": [ "CSAFPID-0001" ] } } ] }