{"id":"CVE-2026-110675","revision":"69f3d9f184b040cb8f28d02e3b14e995","records":[{"revision":"69f3d9f184b040cb8f28d02e3b14e995","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110675","aliases":[],"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","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.","state":0,"publishedAt":"2026-10-19T18:11:35.561+00:00","modifiedAt":"2026-10-19T18:11:35.561+00:00","affected":[{"ecosystem":"https://cpan.org/modules","name":"Cpanel-JSON-XS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"collectionURL\": \"https://cpan.org/modules\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"modules\": [\n                        \"Cpanel::JSON::XS\"\n                    ],\n                    \"packageName\": \"Cpanel-JSON-XS\",\n                    \"packageURL\": \"pkg:cpan/Cpanel-JSON-XS\",\n                    \"programFiles\": [\n                        \"XS.xs\"\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"decode_hv\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/rurban/Cpanel-JSON-XS\",\n                    \"versions\": [\n                        {\n                            \"lessThan\": \"4.80\",\n                            \"status\": \"affected\",\n                            \"version\": \"4.33\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/rurban/Cpanel-JSON-XS/commit/c2cd02281b9d6904ca0aff2740154e742abc070c.patch","https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.80/changes"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110675","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110675","identifiers":["CVE-2026-110675"]},"retained":false,"historicalAffected":[]}],"coverage":[]}