What is CVE-2026-71559?

CVE-2026-71559 is a high-severity vulnerability in Apache Fory, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-08-07.

How severe is CVE-2026-71559?

High severity. CVSS v3 base score is 7.5 out of 10.

Deserialization in Apache Fory

CVE-2026-71559

Deserialization of Untrusted Data vulnerability in the Go implementation of Apache Fory allows an attacker to cause a denial of service by supplying crafted data containing malformed type metadata, which triggers an uncaught panic. This i…

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Fory
Apache Software Foundation Fory — versions 0.16.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-71559?: CVE-2026-71559 is a high-severity vulnerability in Apache Fory, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-08-07.
How severe is CVE-2026-71559?: High severity. CVSS v3 base score is 7.5 out of 10.