What is CVE-2026-7584?

CVE-2026-7584 is a high-severity vulnerability in Zhinst Labone_q, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-05-01.

How severe is CVE-2026-7584?

High severity. CVSS v3 base score is 7.8 out of 10.

Deserialization in Zhinst Labone_q

CVE-2026-7584

The LabOne Q serialization framework uses a class-loading mechanism (import_cls) to dynamically import and instantiate Python classes during deserialization. Prior to the fix, this mechanism accepted arbitrary fully-qualified class names f…

Vulnerability class: Insecure Deserialization

EPSS: 0.000 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Zhinst Labone_q — versions 26.4.0
Zurich Instruments Labone Q — versions 2.41.0, 26.4.0b1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

ZI-SA-2026-002 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7584?: CVE-2026-7584 is a high-severity vulnerability in Zhinst Labone_q, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-05-01.
How severe is CVE-2026-7584?: High severity. CVSS v3 base score is 7.8 out of 10.