What is CVE-2026-73325?

CVE-2026-73325 is a high-severity vulnerability in Fujitsu Research Onecompression, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-08-12.

How severe is CVE-2026-73325?

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

Deserialization in Fujitsu Research Onecompression

CVE-2026-73325

Fujitsu Research's OneCompression library 1.2.0 contains an unsafe deserialization vulnerability that allows attackers to execute arbitrary code by supplying a crafted model.pt checkpoint file, as QuantizedModelLoader.load_quantized_model_…

Vulnerability class: Insecure Deserialization

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

Fujitsu Research Onecompression — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

disclosure@vulncheck.com (product, patch)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-73325?: CVE-2026-73325 is a high-severity vulnerability in Fujitsu Research Onecompression, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-08-12.
How severe is CVE-2026-73325?: High severity. CVSS v3 base score is 7.8 out of 10.