CVE-2026-9508
Unauthenticated backup ZIPs exposed via BioStar 2 webroot.
Is CVE-2026-9508 being exploited?
Not confirmed. CVE-2026-9508 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-9508?
CVE-2026-9508 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-9508?
Not known from our data. No patch reference has been recorded for CVE-2026-9508, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-9508 affect?
CVE-2026-9508 affects Suprema BioStar 2 (v2.9.3-2.9.11). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-9508?
Upgrade to fixed BioStar 2 release; restrict backup download exposure.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated download of backup ZIPs via /download exposes sensitive data, enabling impersonation and potential DB access.
Immediate action required
- affected>= v2.9.3 and <= v2.9.11
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.