CVE-2026-71809 json
Authentication Bypass via Hardcoded Master Verification Code vulnerability in Siam Ordering (siam-server) 1.0.0 allows remote unauthenticat…
published 2026-09-09 2 mo ago modified 2026-09-14 55 d ago also EUVD-2026-75218
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 55 d ago
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/W000i/vuln/issues/11 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-259 Use of Hard-coded Password
References
-
github.com
/W000i/vuln/issues/11
exploit
Sources
- CVE List CVE-2026-71809
- NVD CVE-2026-71809
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