CVE-2026-86711

    Dashboard / Vulnerabilities / CVE-2026-86711

    CVE-2026-86711

    Published: 8 Sept 2026Last Modified: 10 Sept 2026

    Summary: electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86711.json, https://github.com/electerm/electerm/releases/tag/v5.3.15, https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32, https://nvd.nist.gov/vuln/detail/CVE-2026-86711, https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-via-unvalidated-runglobalasync-ipc-bridge, https://github.com/electerm/electerm/issues/4509, https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750, https://github.com/electerm/electerm, https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ba923cd412664ec5cd0b630548f74a7fc59069c8

    Affected versions

    v5.3.5
    v5.3.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-86711 | CVE-DB