CVE-2026-86711CWE-749

CVE-2026-86711

High · published September 8, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
11.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
7.5 · CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00215 · 11.3th percentile
Weakness
CWE-749 · Exposed Dangerous Method or Function
Published
2026-09-08T16:16Z
References (7)
https://github.com/electerm/electerm · [email protected]https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js · [email protected]https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750 · [email protected]https://github.com/electerm/electerm/issues/4509 · [email protected]https://github.com/electerm/electerm/releases/tag/v5.3.15 · [email protected]https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32 · [email protected]https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-via-unvalidated-runglobalasync-ipc-bridge · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 11:23Z
    electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge
    cvelistv5