CVE-2026-41245
Junrar is an open source java RAR archive library. Prior to version 7.5.10, a path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content into sibling directories when a crafted RAR archive is extracted. Version 7.5.10 fixes the issue.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.53%
- Percentil entre todas las CVEs puntuadas: 43
- 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 access85 % - Impacto principal
T1565.001Stored Data Manipulationimpact90 %
Vector CVSS AV:N/AC:L/PR:N/UI:N permite acceso remoto sin privilegios ni interacción. CWE-22 path traversal permite escribir ficheros arbitrarios en directorios hermanos al extraer RAR malicioso. Impacto: manipulación de datos (T1565.001).
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)
CWE
- CWE-22
- CWE-22
Referencias
- https://github.com/junrar/junrar/commit/d77e9a83eb721cd51f9c23d7869d0e6ad7f952d7
- https://github.com/junrar/junrar/releases/tag/v7.5.10
- https://github.com/junrar/junrar/security/advisories/GHSA-hf5p-q87m-crj7
- https://access.redhat.com/security/cve/CVE-2026-41245
- https://bugzilla.redhat.com/show_bug.cgi?id=2459769
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41245.json
JSON original (NVD)
Mostrar
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