Prototype Pollution Vulnerability in Electron Framework
CVE-2026-70610

5.4MEDIUM

Key Information:

Vendor

Electron

Status
Vendor
CVE Published:
5 August 2026

What is CVE-2026-70610?

The Electron framework, used for building cross-platform applications, has a vulnerability that allows for prototype pollution via the contextBridge. This issue arises when untrusted content is accepted and processed in a way that could let an attacker influence object prototypes. While the context isolation feature is enabled to mitigate risks, applications that do not properly validate incoming object properties may still be vulnerable. It's crucial for developers to upgrade to versions 39.8.9, 40.9.2, 41.2.2, or 42.0.0-beta.4 to address this vulnerability and ensure safer application interactions.

Affected Version(s)

electron < 39.8.9 < 39.8.9

electron >= 40.0.0-alpha.1, < 40.9.2 < 40.0.0-alpha.1, 40.9.2

electron >= 41.0.0-alpha.1, < 41.2.2 < 41.0.0-alpha.1, 41.2.2

References

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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