CVE-2026-42503 - Vulnerability Analysis
HighCVSS: 8.8Last Updated: May 6, 2026
gopls - Remote Code Execution
Published: May 6, 2026Updated: May 6, 2026
Overview
gopls contains a remote code execution vulnerability caused by binding to 0.0.0.0 when using -port or -listen flags without explicit host, letting attackers on the same network execute arbitrary code remotely, exploit requires network access.
Severity & Score
Severity: High
CVSS Score: 8.8
Impact
Attackers on the same network can execute arbitrary code remotely via gopls binding to all interfaces.
Mitigation
Avoid using -port or -listen flags without specifying an explicit host or update to the latest version with a fix.
Related Resources
Details
- CVE ID
- CVE-2026-42503
- Severity
- High
- CVSS Score
- 8.8
- Type
- undefined
- Status
- new
CWE
- CWE-1327
CVSS Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H