Vulnerability · Published Sep 14, 2026 · Assigned by mitre
CVE-2026-31278
High 7.7
In plain English
A high-severity security flaw in BioStar 2 from supremainc. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.3%top 79.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official description
An issue in the /api/v2/setting/adserversetting endpoint of Suprema BioStar 2 before 2.9.12 and and BioStar X before 1.0.2 allows attackers to obtain Active Directory service account credentials in cleartext by supplying a crafted GET request.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| supremainc | BioStar 2 | 0 – before 2.9.12 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N