{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45190","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-05-10T16:36:05.708Z","datePublished":"2026-05-10T20:15:24.721Z","dateUpdated":"2026-05-12T14:31:01.908Z"},"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":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-05-10T20:15:24.721Z"},"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"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T14:30:52.674727Z","id":"CVE-2026-45190","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-12T14:31:01.908Z"}}]}}