{
    "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"
                }
            }
        ]
    }
}