CVE-2026-15043

{"id": "CVE-2026-15043", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-15043", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-14T14:14:59.552000Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "affectedData": [{"repo": "https://github.com/perl5-dbi/dbi", "vendor": "HMBRAND", "product": "DBI::SQL::Nano", "versions": [{"status": "affected", "version": "1.42", "lessThan": "1.651", "versionType": "custom"}], "packageName": "DBI", "programFiles": ["lib/DBI/SQL/Nano.pm"], "collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "programRoutines": [{"name": "DBI::SQL::Nano::is_matched"}]}]}], "published": "2026-07-14T10:16:31.253", "references": [{"url": "https://github.com/perl5-dbi/dbi/commit/e9742ef85a75867cbd696860e3bf3e32b681f98d.patch", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://github.com/perl5-dbi/dbi/security/advisories/GHSA-mv45-ff6j-x9jp", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "https://metacpan.org/release/HMBRAND/DBI-1.651/changes", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}, {"url": "http://www.openwall.com/lists/oss-security/2026/07/14/9", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "description": [{"lang": "en", "value": "CWE-480"}]}], "descriptions": [{"lang": "en", "value": "DBI::SQL::Nano versions from 1.42 before 1.651 for Perl have inverted <= and >= SQL operators on text.\n\nDBI::SQL::Nano, DBI's built-in mini-SQL engine, evaluated WHERE predicates incorrectly in some cases. In the non-numeric string branch of the is_matched method, <= was evaluated using Perl's ge operator, and >= was evaluated using Perl's le operator.\n\nSQL::Nano is the fallback query engine for DBI's file-backed drivers (DBD::File, DBD::DBM, CSV-style drivers) whenever SQL::Statement is not installed, and is forced whenever DBI_SQL_NANO=1. Queries over such tables use these predicates directly.\n\nThe impact depends on the context. Where an application relies on a WHERE clause to filter file-backed data for policy or authorization, an inverted <=/>= comparison silently returns the wrong rows."}, {"lang": "es", "value": "Las versiones de DBI::SQL::Nano desde la 1.42 anteriores a la 1.651 para Perl tienen invertidos los operadores SQL <= y >= en texto.\n\nDBI::SQL::Nano, el motor mini-SQL integrado de DBI, evalu\u00f3 predicados WHERE incorrectamente en algunos casos. En la rama de cadena no num\u00e9rica del m\u00e9todo is_matched, <= se evalu\u00f3 usando el operador ge de Perl, y >= se evalu\u00f3 usando el operador le de Perl.\n\nSQL::Nano es el motor de consulta de respaldo para los controladores de DBI respaldados por archivos (DBD::File, DBD::DBM, controladores de estilo CSV) siempre que SQL::Statement no est\u00e9 instalado, y se fuerza siempre que DBI_SQL_NANO=1. Las consultas sobre dichas tablas usan estos predicados directamente.\n\nEl impacto depende del contexto. Donde una aplicaci\u00f3n depende de una cl\u00e1usula WHERE para filtrar datos respaldados por archivos para pol\u00edticas o autorizaci\u00f3n, una comparaci\u00f3n <=/>= invertida devuelve silenciosamente las filas incorrectas."}], "lastModified": "2026-10-24T21:10:00.130", "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}