{"id":"CVE-2026-110687","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110687","generatedAt":"2026-10-27T23:52:27.439Z","title":"Cpanel::JSON::XS versions from 4.43 before 4.80 for Perl misorder byte-string keys during canonical encoding in utf16_cmp. canonical sorts keys by UTF-16 code units.","description":"Cpanel::JSON::XS versions from 4.43 before 4.80 for Perl misorder byte-string keys during canonical encoding in utf16_cmp.\n\ncanonical sorts keys by UTF-16 code units. When any key in a hash is UTF-8 flagged, every key is decoded as UTF-8 for the comparison, including byte-string keys that the encoder writes out as Latin-1 characters. A byte-string key whose bytes are valid UTF-8 is sorted out of order, and two keys that encode differently can compare equal and are left in hash order.\n\nThe same data can encode to different canonical documents across processes.","published":"2026-10-19T19:17:22.000Z","lastModified":"2026-10-19T20:50:18.000Z","status":"Awaiting Analysis","sourceIdentifier":"9b29abf9-4ab0-4765-b253-1875cd9b441e","cvss":null,"cwe":["CWE-176"],"affected":[],"epss":{"score":0.00171,"percentile":0.06468,"date":"2026-10-26","history":[{"date":"2026-10-20","score":0.00171,"percentile":0.06117}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"unknown","text":"Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-19T19:17:22.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-19T19:17:22.307Z"},"summary":"New CVE, not yet scored."}],"references":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/bb9da30b67f637f4d57922f0e043376363f28f0c.patch","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110687","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}