Vulnerability · Published Sep 8, 2026 · Assigned by VulnCheck
CVE-2026-86711electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge
High 7.4
In plain English
A high-severity security flaw in electerm from electerm. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.2%top 88.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
electerm before 5.3.15 exposes 40+ main-process functions through an unvalidated Electron IPC handler with no function-name allowlist or sender validation. Renderer-side script execution can invoke openFileWithEditor and other functions with arbitrary arguments to execute system commands in the main process.
Affected products (as reported)
Weakness: CWE-749 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-qc8j-6jr2-qr32) vendor-advisory
- Reporter Disclosure Issue issue-tracking
- Patch Commit patch
- electerm v5.3.15 Release Notes release-notes
- ipcMain.handle('async') dispatches asyncGlobals[name] with no allowlist, v5.3.5 technical-description
- https://github.com/electerm/electerm product
- VulnCheck Advisory: electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge third-party-advisory