CVE-2026-54672: electron-updater allows for automatic updates for Electron apps

Routine

HIGH 7.8UPGRADE

CVE-2026-54672 is a high-severity flaw (CVSS 7.8) affecting electron-builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

electron-updater allows for automatic updates for Electron apps. Prior to 26.15.0, AppImage targets built by app-builder-lib could use an empty path component when setting the LD_LIBRARY_PATH environment variable at runtime. This causes the current working directory to be added to the dynamic linker search path, which may allow an attacker to execute arbitrary code by placing a malicious shared library in the directory from which the AppImage is

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-427
Published	2026-06-30
Last modified	2026-08-18

Publisher (CNA): GitHub, Inc. · Vendor: electron

Last updated 2026-08-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-30 23:17 UTCPublished CVE record published
2026-08-18 17:37 UTCUpdated Record last modified

electron electron-builder UPGRADE

Affected: < 26.15.0

Fixed in: 26.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls electron-builder

2. UPGRADE to 26.15.0

npm install electron-builder@">=26.15.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-54672?

electron-builder: upgrade to 26.15.0. Exact commands for each OS are on this page.

Is CVE-2026-54672 being exploited?

CVE-2026-54672 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-54672 affect?

CVE-2026-54672 affects electron-builder. Severity is high (CVSS 7.8). electron-updater allows for automatic updates for Electron apps. Prior to 26.15.0, AppImage targets built by app-builder-lib could use an empty path component when setting the LD_LIBRARY_PATH environment variable at runtime. This causes the

How urgent is CVE-2026-54672?

Priority 34/100. High severity; Public exploit reference

Software pages

Electron vulnerabilities

Related CVEs

CVE-2026-54673 MEDIUM 6.5 UPGRADE UPGRADE electron-updater allows for automatic updates for Electron apps

References

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