CVE-2026-38924

Published Sep 14, 2026 CVSS 3.1 · 2.9 Low EPSS < 1% KEV · Not listed
Description
In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Serena MCP Server Listens on All Network Interfaces
Type Values Removed Values Added
Title Serena MCP Server Listens on All Network Interfaces
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Oraios-ai
Oraios-ai serena
Vendors & Products Oraios-ai
Oraios-ai serena
Type Values Removed Values Added
Description In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."
Weaknesses CWE-669
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 4:32 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Sep 14, 2026, 3:16 AM
Modified
Sep 22, 2026, 8:00 PM