Critical severity10.0NVD Advisory· Published Apr 23, 2020· Updated Jun 17, 2026
CVE-2020-12079
CVE-2020-12079
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Beaker/Beakerdescription
Patches
Vulnerability mechanics
References
2- github.com/beakerbrowser/beaker/issues/1519nvdThird Party Advisory
- github.com/beakerbrowser/beaker/releases/tag/0.8.9nvdRelease NotesThird Party Advisory
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