CVE Watch16 sept 2026

CVE-2026-76825

RestrictedPython is a tool that helps define a subset of the Python language for accepting program input in a trusted environment. Prior to

CVSS

8.4

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 16 sept 2026 · Última mod.: 16 sept 2026 · CWE-200 · CWE-470 · CWE-680

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

RestrictedPython is a tool that helps define a subset of the Python language for accepting program input in a trusted environment. Prior to 8.4, RestrictedPython could allow a sandbox escape when a custom import policy or globals exposed the standard library string module, the string.Formatter class, a Formatter instance, or a Formatter subclass to restricted code. The string.Formatter methods format, get_field, get_value, and vformat performed attribute and item traversal internally without passing through RestrictedPython's safer_getattr protections. Restricted code could use those live object references to reach function globals, builtins, file access, or code execution primitives, affecting confidentiality, integrity, and availability in the host environment. This issue is fixed in version 8.4.

Referencias oficiales

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