CVE-2026-48962
Estado: AplazadaAlta (7.3)—
IO::Compress versions before 2.220 for Perl can execute arbitrary code in File::GlobMapper via an attacker-controlled output glob.
_parseOutputGlob() wraps the caller-supplied output glob string in double quotes and stores it in the parser state; _getFiles() then runs the stored expression through eval STRING. A literal double quote in the output glob closes the dquote wrapper, and the characters that follow are evaluated as Perl.
Arbitrary Perl in the output glob executes at the calling process's privilege.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Puntuación base: 7.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.50%
- Percentil entre todas las CVEs puntuadas: 40
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 %
Vulnerabilidad de inyección de código Perl en IO::Compress accesible vía red sin autenticación (AV:N/PR:N). El atacante controla el glob de salida para inyectar código que se ejecuta mediante eval, resultando en ejecución arbitraria de Perl.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-95
- CWE-94
Referencias
- https://github.com/pmqs/IO-Compress/commit/f2db247bf90d4cc7ee2710be384946081f3b4610.patch
- https://metacpan.org/release/PMQS/IO-Compress-2.220/changes
- http://www.openwall.com/lists/oss-security/2026/05/27/4
- https://access.redhat.com/errata/RHSA-2026:29182
- https://access.redhat.com/errata/RHSA-2026:29210
- https://access.redhat.com/errata/RHSA-2026:29867
- https://access.redhat.com/errata/RHSA-2026:29941
- https://access.redhat.com/errata/RHSA-2026:30085
- https://access.redhat.com/errata/RHSA-2026:30086
- https://access.redhat.com/errata/RHSA-2026:30115
- https://access.redhat.com/errata/RHSA-2026:30843
- https://access.redhat.com/errata/RHSA-2026:30851
- https://access.redhat.com/errata/RHSA-2026:30858
- https://access.redhat.com/errata/RHSA-2026:30859
- https://access.redhat.com/errata/RHSA-2026:30860
- https://access.redhat.com/errata/RHSA-2026:50262
- https://access.redhat.com/security/cve/CVE-2026-48962
- https://bugzilla.redhat.com/show_bug.cgi?id=2481767
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48962.json
JSON original (NVD)
Mostrar
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"value": "IO::Compress versions before 2.220 for Perl can execute arbitrary code in File::GlobMapper via an attacker-controlled output glob.\n\n_parseOutputGlob() wraps the caller-supplied output glob string in double quotes and stores it in the parser state; _getFiles() then runs the stored expression through eval STRING. A literal double quote in the output glob closes the dquote wrapper, and the characters that follow are evaluated as Perl.\n\nArbitrary Perl in the output glob executes at the calling process's privilege."
},
{
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"value": "Las versiones de IO::Compress anteriores a la 2.220 para Perl pueden ejecutar código arbitrario en File::GlobMapper a través de un output glob controlado por un atacante.\n\n_parseOutputGlob() envuelve la cadena output glob proporcionada por el llamador en comillas dobles y la almacena en el estado del analizador; _getFiles() luego ejecuta la expresión almacenada a través de eval STRING. Una comilla doble literal en el output glob cierra el envoltorio de comillas dobles, y los caracteres que le siguen se evalúan como Perl.\n\nPerl arbitrario en el output glob se ejecuta con los privilegios del proceso llamador."
}
],
"lastModified": "2026-08-05T13:23:22.460",
"sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
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