CVE-2020-12079

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CVSS 3.1

10.0 critical

EPSS

2%p82

Published

Apr 23, 2020 (Apr 23, 2020)

Modified

Jun 17, 2026

Description

Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron context isolation is not used, and therefore an attacker can conduct a prototype-pollution attack against the Electron internal messaging API.

Vendors: beakerbrowser
Products: beaker
Weakness: CWE-1321
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.2%)

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