{"schema":"threatline.record/2","record":{"id":"CVE-2026-116135","aliases":[],"summary":"HTTP::Body versions before 1.23_01 for Perl drop mixed-case percent escapes from urlencoded form fields instead of decoding them","details":"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.","categories":["Unclassified"],"product":"","vendor":"","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116135","source_modified_at":"2026-10-28T17:15:50.270Z","fetched_at":"2026-10-28T20:58:01.013507Z","product":null,"vendor":null,"versions":[{"lessThan":"1.23_01","status":"affected","version":"0","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116135","source_modified_at":"2026-10-28T17:15:50.270Z","fetched_at":"2026-10-28T20:58:01.013507Z","package":{"name":null,"ecosystem":null},"version":"1.23_01","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-28T17:15:50.270Z","modified_at":"2026-10-28T17:15:50.270Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116135","fetched_at":"2026-10-28T20:58:01.013507Z","source_modified_at":"2026-10-28T17:15:50.270Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/libwww-perl/HTTP-Body/commit/336f1a23b4115a5cbeb546f36df5af62c90bdc0d.patch","tags":["patch"]},{"source":"CVE List","url":"https://metacpan.org/release/GETTY/HTTP-Body-1.24/changes","tags":["release-notes"]},{"source":"CVE List","url":"https://www.rfc-editor.org/rfc/rfc3986#section-2.1"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-28T17:15:50.270Z","content_hash":"f84ebc6071fa5b7a2e3fd3fc41c09c67e70ad37db4283b1d79d1fbddc4c53086"}}