CVE-2026-86711
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-749
- Record status
- Deferred
Attack profile CVSS 4.0 · 7.5
- Attack vector
- Local
- Complexity
- High
- Attack requirements
- Present
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-86711.md and follow it. Check whether this project is affected by CVE-2026-86711. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750
- https://github.com/electerm/electerm/releases/tag/v5.3.15
- https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32
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
- https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-via-unvalidated-runglobalasync-ipc-bridge