{"api_version":"1","generated_at":"2026-10-21T22:59:24+00:00","cve":"CVE-2026-110674","urls":{"html":"https://cve.report/CVE-2026-110674","api":"https://cve.report/api/cve/CVE-2026-110674.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-110674","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110674"},"summary":{"title":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss duplicate non-ASCII bare keys, allowing type confusion under dupkeys_as_arrayref in decode_hv","description":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss duplicate non-ASCII bare keys, allowing type confusion under dupkeys_as_arrayref in decode_hv.\n\nWith allow_barekey, which relaxed enables, a bare key containing a non-ASCII byte is stored as UTF-8 but looked up as raw bytes, so a repeated key escapes the duplicate-key check and replaces the earlier value.\n\nFrom 4.41, under dupkeys_as_arrayref, a bare repeat replaces the array that collects a key's values with a plain value, and the next quoted repeat pushes onto that value as if it were an array. A JSON integer there is dereferenced as a pointer.\n\nUntrusted JSON decoded with relaxed and dupkeys_as_arrayref can crash the process or dereference an address chosen by a JSON number.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-10-19 19:17:21","updated_at":"2026-10-19 20:50:17"},"problem_types":["CWE-176","CWE-843","CWE-843 CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')","CWE-176 CWE-176 Improper Handling of Unicode Encoding"],"metrics":[],"references":[{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","name":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9334","name":"https://www.cve.org/CVERecord?id=CVE-2026-9334","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/c52037857d6a99d96ebd1ce3e2fa769505f028cf.patch","name":"https://github.com/rurban/Cpanel-JSON-XS/commit/c52037857d6a99d96ebd1ce3e2fa769505f028cf.patch","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110674","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110674","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[{"source":"CNA","time":"2026-10-14T00:00:00.000Z","lang":"en","value":"Version 4.80 released with fix."}],"solutions":[{"source":"CNA","title":"","value":"Upgrade to Cpanel-JSON-XS 4.80 or later.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["Cpanel::JSON::XS"],"packageName":"Cpanel-JSON-XS","packageURL":"pkg:cpan/Cpanel-JSON-XS","programFiles":["XS.xs"],"programRoutines":[{"name":"decode_hv"}],"repo":"https://github.com/rurban/Cpanel-JSON-XS","versions":[{"lessThan":"4.80","status":"affected","version":"4.33","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss duplicate non-ASCII bare keys, allowing type confusion under dupkeys_as_arrayref in decode_hv.\n\nWith allow_barekey, which relaxed enables, a bare key containing a non-ASCII byte is stored as UTF-8 but looked up as raw bytes, so a repeated key escapes the duplicate-key check and replaces the earlier value.\n\nFrom 4.41, under dupkeys_as_arrayref, a bare repeat replaces the array that collects a key's values with a plain value, and the next quoted repeat pushes onto that value as if it were an array. A JSON integer there is dereferenced as a pointer.\n\nUntrusted JSON decoded with relaxed and dupkeys_as_arrayref can crash the process or dereference an address chosen by a JSON number."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-843","description":"CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-176","description":"CWE-176 Improper Handling of Unicode Encoding","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-19T18:11:25.890Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["patch"],"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/c52037857d6a99d96ebd1ce3e2fa769505f028cf.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes"},{"tags":["related"],"url":"https://www.cve.org/CVERecord?id=CVE-2026-9334"}],"solutions":[{"lang":"en","value":"Upgrade to Cpanel-JSON-XS 4.80 or later."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-10-14T00:00:00.000Z","value":"Version 4.80 released with fix."}],"title":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss duplicate non-ASCII bare keys, allowing type confusion under dupkeys_as_arrayref in decode_hv","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-110674","datePublished":"2026-10-19T18:11:25.890Z","dateReserved":"2026-10-14T13:23:26.098Z","dateUpdated":"2026-10-19T18:11:25.890Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-19 19:17:21","lastModifiedDate":"2026-10-19 20:50:17","problem_types":["CWE-176","CWE-843","CWE-843 CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')","CWE-176 CWE-176 Improper Handling of Unicode Encoding"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"110674","Ordinal":"1","Title":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss du","CVE":"CVE-2026-110674","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"110674","Ordinal":"1","NoteData":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss duplicate non-ASCII bare keys, allowing type confusion under dupkeys_as_arrayref in decode_hv.\n\nWith allow_barekey, which relaxed enables, a bare key containing a non-ASCII byte is stored as UTF-8 but looked up as raw bytes, so a repeated key escapes the duplicate-key check and replaces the earlier value.\n\nFrom 4.41, under dupkeys_as_arrayref, a bare repeat replaces the array that collects a key's values with a plain value, and the next quoted repeat pushes onto that value as if it were an array. A JSON integer there is dereferenced as a pointer.\n\nUntrusted JSON decoded with relaxed and dupkeys_as_arrayref can crash the process or dereference an address chosen by a JSON number.","Type":"Description","Title":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl miss du"}]}}}