CVE•Published 2026-09-09•Modified 2026-09-14•1 article on news•3 live references•NVD data
CVE-2026-71809
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
16
Exploit Prediction Scoring System · top 84% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-09-09
Modified 2026-09-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-71809Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-71809Censys host search filtered to this CVE id.
grep.app
CVE-2026-71809Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-71809GitHub code search for direct mentions.
Google dork
"CVE-2026-71809" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-71809 on GitHub.