CVE-2026-71809

Authentication Bypass via Hardcoded Master Verification Code

Published Sep 9, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
Authentication Bypass via Hardcoded Master Verification Code vulnerability in Siam Ordering (siam-server) 1.0.0 allows remote unauthenticated attackers to log in as any user, merchant, or administrator.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Authentication Bypass via Hardcoded Master Verification Code
Type Values Removed Values Added
Title Authentication Bypass via Hardcoded Master Verification Code in Siam Ordering Server 1.0.0
Weaknesses CWE-287
CWE-798
Type Values Removed Values Added
Weaknesses CWE-259
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Title Authentication Bypass via Hardcoded Master Verification Code in Siam Ordering Server 1.0.0
Weaknesses CWE-287
CWE-798
Type Values Removed Values Added
Description Authentication Bypass via Hardcoded Master Verification Code vulnerability in Siam Ordering (siam-server) 1.0.0 allows remote unauthenticated attackers to log in as any user, merchant, or administrator.
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 2:04 PM
Reserved
Aug 7, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Sep 9, 2026, 11:16 PM
Modified
Sep 14, 2026, 3:17 PM