PT-2026-44833 · Suprema · Biostar 2

Published 2026-05-29 · Updated 2026-05-29 · CVE-2026-9509

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Suprema BioStar 2 (Server) version 2.9.8 Suprema BioStar 2 (Server) version 2.9.10 Suprema BioStar 2 (Server) version 2.9.11

Description An unhandled exception allows an unauthenticated remote attacker to cause a denial of service (DoS) by sending HTTP POST requests to the '/api/migration' endpoint. This triggers a failure that halts critical processes, leaving the system offline until services or the server are manually restarted. Consequently, access control readers stop functioning and third-party integrations may fail. The issue requires no privileges or user interaction and is easily automated.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-248

Related Identifiers

CVE-2026-9509

Affected Products

Biostar 2

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-9509 · Security Note
• https://incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-supremas-biostar · Patch
• https://t.me/CVEtracker/55256 · Telegram Post