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CVE-2026-31278

Quick assessment

Affected
supremainc BioStar 2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Suprema BioStar 2（版本低于 2.9.12）和 BioStar X（版本低于 1.0.2）的 端点存在一个问题，允许攻击者通过构造一个特定的 GET 请求，以明文形式获取活动目录（Active Directory）服务账户的凭据。

CVSS 7.7 · High

Possible ATT&CK Techniques 1 AI

T1003 · OS Credential Dumping
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I. Basic Information for CVE-2026-31278

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
supremainc BioStar 2 0 ~ 2.9.12 -

II. Public POCs for CVE-2026-31278

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III. Intelligence Information for CVE-2026-31278

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Proof of Concept for CVE-2026-31278 (1)

Vendor Pages for CVE-2026-31278 (1)

IV. Related Vulnerabilities

Same product: BioStar 2
Same weakness: CWE-319

V. Comments for CVE-2026-31278

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