CVE-2020-12079
CRITICAL
10
CVSS Score
Published: April 23, 2020 at 03:54 AM UTC
Updated: June 17, 2026 at 02:51 AM UTC
1 product affected across 1 vendorBeaker
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
CRITICAL10
Exploit prediction
EPSS 2%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 0.8.9
Affected range stops below 0.8.9, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/beakerbrowser/beaker/issues/1519x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/beakerbrowser/beaker/releases/tag/0.8.9CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1321
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card