{"api_version":"1","generated_at":"2026-05-11T11:03:44+00:00","cve":"CVE-2026-45190","urls":{"html":"https://cve.report/CVE-2026-45190","api":"https://cve.report/api/cve/CVE-2026-45190.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-45190","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-45190"},"summary":{"title":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass","description":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass.\n\nInputs containing a trailing newline or non-ASCII digit characters pass the validators but are then re-encoded by the parser to a different address than the input string spelled. find() and bin_find() can match or miss addresses as a result.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite->new();\n  $cidr->add(\"::1\\n/128\");\n  $cidr->find(\"::1a\");  # incorrectly returns true\n\nSee also CVE-2026-45191.","state":"PUBLISHED","assigner":"CPANSec","published_at":"2026-05-10 21:16:29","updated_at":"2026-05-10 21:16:29"},"problem_types":["CWE-1289","CWE-1289 CWE-1289 Improper Validation of Unsafe Equivalence in Input"],"metrics":[],"references":[{"url":"https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes","name":"https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45191","name":"https://www.cve.org/CVERecord?id=CVE-2026-45191","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/stigtsp/Net-CIDR-Lite/commit/ca9542adec87110556601d7ce48381ea8d13e692.patch","name":"https://github.com/stigtsp/Net-CIDR-Lite/commit/ca9542adec87110556601d7ce48381ea8d13e692.patch","refsource":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-45190","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45190","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"STIGTSP","product":"Net::CIDR::Lite","version":"affected 0.24 custom","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-05-10T00:00:00.000Z","lang":"en","value":"Vulnerability found"},{"source":"CNA","time":"2026-05-10T00:00:00.000Z","lang":"en","value":"Net-CIDR-Lite version 0.24 released"}],"solutions":[{"source":"CNA","title":"","value":"Upgrade to version 0.24 or newer, or apply the patch provided.","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","packageName":"Net-CIDR-Lite","product":"Net::CIDR::Lite","programFiles":["Lite.pm"],"programRoutines":[{"name":"Net::CIDR::Lite::add"},{"name":"Net::CIDR::Lite::_pack_ipv4"},{"name":"Net::CIDR::Lite::_pack_ipv6"}],"repo":"https://github.com/stigtsp/Net-CIDR-Lite","vendor":"STIGTSP","versions":[{"lessThan":"0.24","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass.\n\nInputs containing a trailing newline or non-ASCII digit characters pass the validators but are then re-encoded by the parser to a different address than the input string spelled. find() and bin_find() can match or miss addresses as a result.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite->new();\n  $cidr->add(\"::1\\n/128\");\n  $cidr->find(\"::1a\");  # incorrectly returns true\n\nSee also CVE-2026-45191."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1289","description":"CWE-1289 Improper Validation of Unsafe Equivalence in Input","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-10T20:15:24.721Z","orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec"},"references":[{"tags":["patch"],"url":"https://github.com/stigtsp/Net-CIDR-Lite/commit/ca9542adec87110556601d7ce48381ea8d13e692.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes"},{"tags":["related"],"url":"https://www.cve.org/CVERecord?id=CVE-2026-45191"}],"solutions":[{"lang":"en","value":"Upgrade to version 0.24 or newer, or apply the patch provided."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2026-05-10T00:00:00.000Z","value":"Vulnerability found"},{"lang":"en","time":"2026-05-10T00:00:00.000Z","value":"Net-CIDR-Lite version 0.24 released"}],"title":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass","x_generator":{"engine":"cpansec-cna-tool 0.1"}}},"cveMetadata":{"assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","assignerShortName":"CPANSec","cveId":"CVE-2026-45190","datePublished":"2026-05-10T20:15:24.721Z","dateReserved":"2026-05-10T16:36:05.708Z","dateUpdated":"2026-05-10T20:15:24.721Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-10 21:16:29","lastModifiedDate":"2026-05-10 21:16:29","problem_types":["CWE-1289","CWE-1289 CWE-1289 Improper Validation of Unsafe Equivalence in Input"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"45190","Ordinal":"1","Title":"Net::CIDR::Lite versions before 0.24 for Perl does not properly ","CVE":"CVE-2026-45190","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"45190","Ordinal":"1","NoteData":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass.\n\nInputs containing a trailing newline or non-ASCII digit characters pass the validators but are then re-encoded by the parser to a different address than the input string spelled. find() and bin_find() can match or miss addresses as a result.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite->new();\n  $cidr->add(\"::1\\n/128\");\n  $cidr->find(\"::1a\");  # incorrectly returns true\n\nSee also CVE-2026-45191.","Type":"Description","Title":"Net::CIDR::Lite versions before 0.24 for Perl does not properly "}]}}}