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.

Scoring

Severity
HIGH
CVSS base score
7.5
CVSS vector
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 probability
0.14%
CWE
CWE-749
Published
2026-09-08
Last modified
2026-09-08

Affected products

Weakness type

Related vulnerabilities

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