CVE-2021-42771

PoC —

CVSS 3.1

7.8 high

EPSS

<1%p54

Published

Oct 20, 2021 (Oct 20, 2021)

Modified

Jun 17, 2026

Description

Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to code execution.

Vendors: pocoo debian
Products: babel, debian linux
Weakness: CWE-22
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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