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TI-2026-59270 Aliases CVE-2026-86711GHSA-hxxx-8rvv-qg5m

electerm before 5.3.15 Arbitrary Command Execution via Unvalidated runGlobalAsync IPC Bridge

Priority LOW 34CWE-749Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00215 11th percentileScored 2026-11-07
Fix Fixed electerm (electerm): 5.3.15

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
electermelectermbefore 5.3.155.3.15Patch availableCNA
  • electerm Vendorelecterm Affected before 5.3.15 Fixed in 5.3.15 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:electerm_project:electerm:*:*:*:*:*:*:*:*——electerm
  • cpe:2.3:a:electerm_project:electerm:*:*:*:*:*:*:*:* Versions — — ·electerm

Remediation

  • Fix · CNA electerm (electerm) Fixed in 5.3.15

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86711
  2. 2026-10-03 Alias added: GHSA-hxxx-8rvv-qg5m

References

Patch 1

Advisory 1

Other 4

  • TI-2020-14501 An issue was discovered in Electerm 1.3.22, allows attackers to execute arbitrary code… CVSS 3.1CRITICAL 9.8
  • TI-2026-36449 electerm: Path Traversal in Zmodem and Trzsz Download Filename Handling CVSS 3.1HIGH 7.1
  • TI-2026-30086 electerm has Command Injection Vulnerability via runMac function CVSS 3.1CRITICAL 9.8
  • TI-2026-30087 electerm has Command Injection Vulnerability via runLinux function CVSS 3.1CRITICAL 9.8
  • TI-2026-31998 Unvalidated shell.openExternal in electerm allows arbitrary protocol execution via terminal link click CVSS 3.1CRITICAL 9.6
  • TI-2026-32907 electerm: Import unsafe bookmark data could lead to unsafe operation when click local type bookmark CVSS 4.0CRITICAL 9.4
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences