CVE-2026-65843

sync-rpc: Arbitrary remote code execution vulnerability

Published Nov 11, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
sync-rpc runs asynchronous commands synchronously by putting them in a separate proces. Prior to version 1.3.7, if an attacker could guess the correct port and it was not blocked via a firewall, it was possible to load and execute arbitrary JavaScript files stored on the server running sync-rpc. This issue has been patched in version 1.3.7.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
Description sync-rpc runs asynchronous commands synchronously by putting them in a separate proces. Prior to version 1.3.7, if an attacker could guess the correct port and it was not blocked via a firewall, it was possible to load and execute arbitrary JavaScript files stored on the server running sync-rpc. This issue has been patched in version 1.3.7.
Title sync-rpc: Arbitrary remote code execution vulnerability
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

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Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 13, 2026, 6:45 PM
Reserved
Jul 22, 2026, 11:16 PM
Status
Deferred
Published
Nov 11, 2026, 7:17 PM
Modified
Nov 13, 2026, 7:19 PM