CVE-2026-86711
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.
Weakness
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.
References
- https://github.com/electerm/electerm
- https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js
- https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750
- https://github.com/electerm/electerm/issues/4509
- https://github.com/electerm/electerm/releases/tag/v5.3.15
- https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32
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