CVE-2026-45191

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{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Net-CIDR-Lite", "product": "Net::CIDR::Lite", "programFiles": ["Lite.pm"], "programRoutines": [{"name": "Net::CIDR::Lite::add"}], "repo": "https://github.com/stigtsp/Net-CIDR-Lite", "vendor": "STIGTSP", "versions": [{"lessThan": "0.24", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Net::CIDR::Lite versions before 0.24 for Perl does not properly consider extraneous zero characters in CIDR mask values, which may allow IP ACL bypass.\n\nMask forms like \"/00\" and \"/01\" pass validation and parse to the same prefix as their unpadded value.\n\nSee also CVE-2026-45190."}, {"lang": "es", "value": "Las versiones de Net::CIDR::Lite anteriores a 0.24 para Perl no consideran adecuadamente los caracteres cero superfluos en los valores de m\u00e1scara CIDR, lo que puede permitir la omisi\u00f3n de ACL de IP.\n\nFormas de m\u00e1scara como '/00' y '/01' pasan la validaci\u00f3n y se analizan al mismo prefijo que su valor sin relleno.\n\nV\u00e9ase tambi\u00e9n CVE-2026-45190."}], "id": "CVE-2026-45191", "lastModified": "2026-07-24T13:10:00.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45191", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-11T16:37:44.711895Z", "version": "2.0.3"}}]}, "published": "2026-05-10T21:16:29.380", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/stigtsp/Net-CIDR-Lite/commit/24e2c439ec405e5256024b9acefd4f7008c5ed0c.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://www.cve.org/CVERecord?id=CVE-2026-45190"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1289"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.24)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Net::CIDR::Lite", "source": "cna", "vendor": "STIGTSP"}, "product": "net::cidr::lite", "vendor": "stigtsp"}], "created": "2026-05-10T21:23:20.631263+00:00", "updated": "2026-05-11T19:45:08.825526+00:00", "vendors": ["stigtsp", "stigtsp$PRODUCT$net::cidr::lite"]}