{"id":"CVE-2026-86711","aliases":["EUVD-2026-72687","GHSA-hxxx-8rvv-qg5m","GHSA-qc8j-6jr2-qr32"],"status":"published","title":"electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge","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.","severity":{"version":"4.0","score":7.5,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00215,"percentile":0.12022,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-749"],"published":"2026-09-08T11:23:04Z","modified":"2026-10-28T02:30:20Z","products":[{"vendor":"electerm","product":"electerm"}],"references":[{"url":"https://github.com/electerm/electerm/security/advisories/GHSA-qc8j-6jr2-qr32","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/electerm/electerm/issues/4509","tags":["issue-tracking","report"]},{"url":"https://github.com/electerm/electerm/commit/b1f880534b8ae066c5d25bbf291ca7437e052750","tags":["patch","fix"]},{"url":"https://github.com/electerm/electerm/releases/tag/v5.3.15","tags":["release-notes","advisory"]},{"url":"https://github.com/electerm/electerm/blob/v5.3.5/src/app/lib/ipc.js","tags":["technical-description","article"]},{"url":"https://github.com/electerm/electerm","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/electerm-before-5.3.15-arbitrary-command-execution-via-unvalidated-runglobalasync-ipc-bridge","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86711","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hxxx-8rvv-qg5m"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86711.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-86711","title":"electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge","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.","status":"published","published":"2026-09-08T11:23:04.485Z","modified":"2026-09-08T12:17:37.026Z","cvss":[{"version":"4.0","score":7.5,"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-72687","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.","status":"published","published":"2026-09-08T11:23:04Z","modified":"2026-09-08T12:17:37Z","cvss":[{"version":"4.0","score":7.5,"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","level":"high"}],"updated_at":"2026-11-02T17:28:29.861344Z"}],"ghsa":[{"id":"GHSA-hxxx-8rvv-qg5m","title":"electerm before 5.3.15 exposes 40+ main-process functions through an unvalidated Electron IPC...","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.","status":"published","published":"2026-09-08T12:31:30Z","modified":"2026-09-08T12:31:31Z","cvss":[{"version":"4.0","score":7.5,"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","level":"high"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T15:11:28.397774Z"}],"nvd":[{"id":"CVE-2026-86711","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.","status":"published","published":"2026-09-08T12:16:59.84Z","modified":"2026-09-08T19:56:50.95Z","cvss":[{"version":"4.0","score":7.5,"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","level":"high","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T14:12:44.436435Z"}],"osv":[{"id":"CVE-2026-86711","title":"electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge","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.","status":"published","published":"2026-09-08T11:23:04.485Z","modified":"2026-10-28T02:30:20.608766112Z","cvss":[{"version":"4.0","score":7.5,"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","level":"high"}],"cwes":["CWE-749"],"updated_at":"2026-11-02T15:45:19.210277Z"}]}}