CVE-2026-86711 electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge
High 7.5
Published
Updated
Check this codebase for CVE-2026-86711 and fix it if it is affected.
What it is: CVE-2026-86711 is a high-severity vulnerability in electerm, published on 8 Sep 2026.
Exploitation: There is no known exploitation of CVE-2026-86711 in the wild and no public exploit code.
Affected product: electerm. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-86711/ (Markdown: https://insights.sbomify.com/CVE-2026-86711/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-86711?
CVE-2026-86711 is a high-severity vulnerability in electerm, published on 8 Sep 2026.
Official description
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: CWE-749
Which versions are affected by CVE-2026-86711?
How do I fix CVE-2026-86711?
No fix has been published for CVE-2026-86711 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86711 being exploited?
There is no known exploitation of CVE-2026-86711 in the wild and no public exploit code.
Sources
Also known as GHSA-hxxx-8rvv-qg5m, GHSA-qc8j-6jr2-qr32.