CVE-2026-9508

Incorrect Permission Assignment for Critical Resource vulnerability in Suprema's BioStar

Published May 29, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

The vulnerability has been fixed by the Suprema team. We recommend updating to the latest available version.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Supremainc
Supremainc biostar 2
Vendors & Products Supremainc
Supremainc biostar 2
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Incorrect Permission Assignment for Critical Resource vulnerability in Suprema's BioStar
Weaknesses CWE-732
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
May 29, 2026, 1:33 PM
Reserved
May 25, 2026, 1:57 PM
Status
Deferred
Published
May 29, 2026, 1:16 PM
Modified
Jul 21, 2026, 12:10 PM