{"id":"CVE-2026-110675","aliases":[],"cve":{"records":[{"id":"CVE-2026-110675","source":"CPANSec","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-14T13:23:41.479Z","published":"2026-10-19T18:11:35.561Z","modified":"2026-10-29T16:38:54.111Z"}],"publishers":[{"name":"CPANSec","role":"CNA","organizationId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","modified":"2026-10-19T18:11:35.561Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T16:38:54.111Z"}],"references":[{"url":"https://github.com/rurban/Cpanel-JSON-XS/commit/c2cd02281b9d6904ca0aff2740154e742abc070c.patch","tags":["patch"],"source":"CPANSec"},{"url":"https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes","tags":["release-notes"],"source":"CPANSec"}],"weaknesses":[{"id":"CWE-1286","description":"CWE-1286 Improper Validation of Syntactic Correctness of Input","source":"CPANSec"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T16:38:46.477835Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl accept malformed UTF-8 in bare hash keys under allow_barekey in decode_hv","titleSource":"CPANSec","descriptionSource":"CPANSec","description":"Cpanel::JSON::XS versions from 4.33 before 4.80 for Perl accept malformed UTF-8 in bare hash keys under allow_barekey in decode_hv.\n\nWith utf8 and allow_barekey, which relaxed enables, a quoted key is validated as UTF-8 but a bare key's bytes are stored as a UTF-8 flagged string without any check. Malformed UTF-8, control bytes and backslashes reach the decoded hash, while malformed UTF-8 and control bytes in a quoted key or a value are rejected.\n\nLater operations on the key, including lc, uc or encoding the hash again, die with a malformed UTF-8 error.","score":8.1,"severity":"high","published":"2026-10-19T18:11:35.561Z","modified":"2026-10-29T16:38:54.111Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"","name":"Cpanel-JSON-XS","platforms":[],"versions":[{"version":"4.33","status":"affected","lessThan":"4.80","versionType":"custom"}],"defaultStatus":"unaffected","packageURL":"pkg:cpan/Cpanel-JSON-XS","cpes":[],"source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-110675"}],"remediation":[{"text":"Upgrade to Cpanel-JSON-XS 4.80 or later.","source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-110675"}],"references":["https://github.com/rurban/Cpanel-JSON-XS/commit/c2cd02281b9d6904ca0aff2740154e742abc070c.patch","https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes"],"sources":[{"name":"CVE","id":"CVE-2026-110675","modified":"2026-10-29T16:38:54.111Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-110675"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":8.1}],"sourceAffected":[],"observedAt":"2026-10-29T17:12:46.980Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:00:33.565Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T10:25:38.125Z","attemptedAt":"2026-10-30T10:25:38.125Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T10:25:38.016Z","attemptedAt":"2026-10-30T10:25:38.016Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T10:25:41.011Z","attemptedAt":"2026-10-30T10:25:41.011Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T10:25:38.413Z","attemptedAt":"2026-10-30T10:25:38.413Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-9hvc-g7pw-p4j7","url":"https://github.com/advisories/GHSA-9hvc-g7pw-p4j7","modified":"2026-10-29T18:30:38Z","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T10:25:38.016Z"},{"source":"NVD","id":"CVE-2026-110675","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110675","modified":"2026-10-29T17:17:59.847","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T10:25:38.125Z"},{"source":"FIRST EPSS","id":"CVE-2026-110675","url":"https://www.first.org/epss/","probability":0.00171,"percentile":0.06511,"date":"2026-10-29","checkedAt":"2026-10-30T10:25:38.413Z"},{"source":"ENISA EUVD","id":"EUVD-2026-104556","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104556","modified":"Oct 29, 2026, 4:38:54 PM","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","checkedAt":"2026-10-30T10:25:41.011Z"}],"aiSummary":{"text":"Cpanel::JSON::XS versions 4.33 before 4.80 for Perl accept malformed UTF-8 in bare hash keys, potentially causing errors in later operations. The vulnerability occurs when allow_barekey is enabled. Malformed UTF-8 and control bytes can reach the decoded hash.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:57:36.206Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-110675"}]}}