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High 7.8Published May 1, 2026

CVE-2026-7584Arbitrary Code Execution via Unsafe Deserialization in LabOne Q

Updated under an hour ago ()

Does this affect you?

It affects Zurich Instruments LabOne Q and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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 from the serialized data without any validation of the target class or restriction on which modules could be imported. An attacker can craft a serialized experiment file that causes the deserialization engine to import and instantiate arbitrary Python classes with attacker-controlled constructor arguments, resulting in arbitrary code execution in the context of the user running the Python process. Exploitation requires the victim to load a malicious file using LabOne Q's deserialization functions, for example a compromised experiment file shared for collaboration or support purposes.

CVSS
7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-502
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
NCSC.ch
NVD analysis
Analyzed
Record last updated
May 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Zurich Instruments LabOne Q
zurich_instruments:labone_q (from the name)
from 2.41.0 before 26.1.2; from 26.4.0b1 through 26.4.0b5
CNA record
zhinst labone_q
zhinst:labone_q
from 2.41.0 before 26.1.2; 26.4.0; 26.4.0; 26.4.0; 26.4.0; 26.4.0
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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