CVE-2025-55305

MEDIUM
Published Sep 4, 2025 Modified Apr 15, 2026 CWE-94 CWE-829

Description

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. In versions below 35.7.5, 36.0.0-alpha.1 through 36.8.0, 37.0.0-alpha.1 through 37.3.1 and 38.0.0-alpha.1 through 38.0.0-beta.6, ASAR Integrity Bypass via resource modification. This only impacts apps that have the embeddedAsarIntegrityValidation and onlyLoadAppFromAsar fuses enabled. Apps without these fuses enabled are not impacted. This issue is fixed in versions 35.7.5, 36.8.1, 37.3.1 and 38.0.0-beta.6.

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CVSS v3.1 Score

6.1
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L

Weakness Type (CWE)

CWE-94 CWE-94
CWE-829 CWE-829

References

Frequently Asked Questions

What is CVE-2025-55305? +
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. In versions below 35.7.5, 36.0.0-alpha.1 through 36.8.0, 37.0.0-alpha.1 through 37.3.1 and 38.0.0-alpha.1 through 38.0.0-beta.6, ASAR Integrity Bypass via resource modification. This only impacts apps that have the embeddedAsarIntegrityValidation and onlyLoadAppFromAsar fuses enabled. Apps without these fuses enabled are not impacted. This issue is fixed in versions 35.7.5, 36.8.1, 37.3.1 and 38.0.0-beta.6. It has a CVSS v3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2025-55305? +
CVE-2025-55305 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
How do I check if I'm vulnerable to CVE-2025-55305? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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