RCE in Electron

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.

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L.

EPSS exploit prediction

EPSS: 0.003 (17.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-55305: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

  • Electron — versions < 35.7.5, >= 36.0.0-alpha.1, < 36.8.1, >= 37.0.0-alpha.1, < 37.3.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55305?
CVE-2025-55305 is a medium-severity vulnerability in Electron, classified under Code Injection. CVSS score: 6.1/10. Published 2025-09-04.
How severe is CVE-2025-55305?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-55305 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.