CVE-2026-86711
highelecterm before 5.3.15 exposes 40+ main-process functions through an unvalidated Electron IPC handler with no function-name allowlist or sender validation.
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.
CVSS
7.4
7.4 (CVSS v3.1)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-08 12:16
Modified: 2026-09-08 19:56
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/electerm/electerm disclosure@vulncheck.com
- https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js disclosure@vulncheck.com
- https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750 disclosure@vulncheck.com
- https://github.com/electerm/electerm/issues/4509 disclosure@vulncheck.com
- https://github.com/electerm/electerm/releases/tag/v5.3.15 disclosure@vulncheck.com
- https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-vi... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗