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    CVE-2026-9508

    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.

    Published:May 29, 2026
    Last Modified:May 29, 2026
    EPS:May 29, 2026
    EPSS Score:
    CVSS Score:10

    Affected Products

    Vendor
    Supremainc
    Product
    Biostar 2

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-9509 (CVSS 8.7) — An unhandled exception in Suprema BioStar 2 (Server), versions 2.9.8, 2.9.10, and 2.9.11, that allows an unaut…
    CVE-2025-41257 (CVSS 4.8) — Suprema’s BioStar 2 in version 2.9.11.6 allows users to set new password without providing the current one. Ex…
    CVE-2023-33365 (CVSS 7.5) — A path traversal vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated attacker…
    CVE-2023-33366 (CVSS 8.8) — A SQL injection vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows authenticated users to in…
    CVE-2023-33363 (CVSS 7.5) — An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated …
    CVE-2023-33364 (CVSS 8.8) — An OS Command injection vulnerability exists in Suprema BioStar 2 before V2.9.1, which allows authenticated us…
    CVE-2023-31923 (CVSS 8.8) — Suprema BioStar 2 before 2022 Q4, v2.9.1 has Insecure Permissions. A vulnerability in the web application allo…
    CVE-2023-27167 (CVSS 6.5) — Suprema BioStar 2 v2.8.16 was discovered to contain a SQL injection vulnerability via the values parameter at …
    CVE-2022-38351 (CVSS 8.8) — A vulnerability in Suprema BioStar (aka Bio Star) 2 v2.8.16 allows attackers to escalate privileges to System …
    CVE-2020-15050 (CVSS 7.5) — An issue was discovered in the Video Extension in Suprema BioStar 2 before 2.8.2. Remote attackers can read ar…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High