CVEvulnerability
CVE-2020-12079
10.0 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-04-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-1321
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.
Affected configurations
• beakerbrowser beaker (< 0.8.9)
Related
Weakness · CWE (1)
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes weakness
References
- https://github.com/beakerbrowser/beaker/issues/1519 Third Party Advisory
- https://github.com/beakerbrowser/beaker/releases/tag/0.8.9 Release Notes, Third Party Advisory
- https://github.com/beakerbrowser/beaker/issues/1519 Third Party Advisory
- https://github.com/beakerbrowser/beaker/releases/tag/0.8.9 Release Notes, Third Party Advisory