CVE-2026-9508— Incorrect Permission Assignment for Critical Resource vulnerability in Suprema's BioStar
Possible ATT&CK Techniques 1AI
T1530 · Data from Cloud StorageAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Suprema | BioStar 2 (server) | v2.9.3≤ v2.9.11 | affected |
v2.9.12 | unaffected |
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I. Basic Information for CVE-2026-9508
Vulnerability Information
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Vulnerability Title
Incorrect Permission Assignment for Critical Resource vulnerability in Suprema's BioStar
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow backup files to be publicly exposed when the administrator configures their path within the NGINX webroot. This vulnerability allows an attacker with network access to directly download backup ZIP files via ‘http(s)://[server]/download/…’ without requiring authentication. This exposes highly sensitive information that can lead to server impersonation, unauthorized access to databases, and lateral movement.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键资源的不正确权限授予
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Suprema | BioStar 2 (server) | v2.9.3 ~ v2.9.11 | - |
II. Public POCs for CVE-2026-9508
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-9508 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2026-9508
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