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TI-2026-23923 Aliases CVE-2026-31278GHSA-h5qg-wfw7-j3ph

Cleartext transmission of sensitive information in supremainc BioStar 2

Priority HIGH 67CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00276 20th percentileScored 2026-11-07
Fix Fixed BioStar 2 (supremainc): 2.9.12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
supremaincBioStar 2before 2.9.122.9.12Patch availableCNA
  • BioStar 2 Vendorsupremainc Affected before 2.9.12 Fixed in 2.9.12 Patch available CNA

Remediation

  • Fix · CNA BioStar 2 (supremainc) Fixed in 2.9.12

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-31278
  2. 2026-10-03 Alias added: GHSA-h5qg-wfw7-j3ph

References

  • TI-2023-15271 Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. CVSS 3.1HIGH 8.8
  • TI-2022-17986 A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate… CVSS 3.1HIGH 8.8
  • TI-2020-11831 An issue was discovered in the Video Extension in Suprema BioStar 2 before 2.8.2. CVSS 3.1HIGH 7.5
  • TI-2023-11954 Suprema BioStar 2 v2.8.16 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1MEDIUM 6.5
  • TI-2023-16502 An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which… CVSS 3.1HIGH 8.8
  • TI-2023-16504 A SQL injection vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows… CVSS 3.1HIGH 8.8
See all 8 →

Sources