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Vulnerability record · CVE-2026-71559 · published 7 August 2026

CVE-2026-71559: Apache fory deserialization of untrusted data vulnerability

Apache · Fory

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 issue affects Apache Fory: from 0.16.0 before 1.5.0.  Users of other language implementations are not affected. Users are recommended to upgrade to version 1.5.0, which fixes the issue.

7.5 CVSS 3.1 High EPSS 0.80% · top 45.2% CWE-502 · Deserialization of untrusted data
7.5CVSS 3.1 base score
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
8 Aug 2026Last modified by NVD

Description

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 issue affects Apache Fory: from 0.16.0 before 1.5.0.  Users of other language implementations are not affected. Users are recommended to upgrade to version 1.5.0, which fixes the issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-71558Apache fory deserialization of untrusted data vulnerabilityHeap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0. A crafted…EPSS 0.99%9.8CVE-2026-64606Apache fory deserialization of untrusted data vulnerabilityDeserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lamb…EPSS 0.78%9.8CVE-2026-64608Apache fory deserialization of untrusted data vulnerabilityHeap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compatible mode, the field-skip pa…EPSS 0.81%9.8CVE-2026-48207Apache fory deserialization of untrusted data vulnerabilityDeserialization of untrusted data in Apache Fory PyFory. PyFory's ReduceSerializer could bypass documented DeserializationPolicy validation hooks dur…EPSS 0.82%9.8CVE-2025-61622Apache fory deserialization of untrusted data vulnerabilityDeserialization of untrusted data in python in pyfory versions 0.12.0 through 0.12.2, or the legacy pyfury versions from 0.1.0 through 0.10.3: allows…EPSS 44%9.1CVE-2026-71560Apache fory deserialization of untrusted data vulnerabilityOut-of-bounds Read vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0.14.0 before 1.5.0 when deseri…EPSS 0.77%9.1CVE-2026-64609Apache fory out-of-bounds read vulnerabilityOut-of-bounds read via sun.misc.Unsafe in Apache Fory. When out-of-band zero-copy deserialization is used, readAlignedVarUint() can read beyond the b…EPSS 0.78%9.1CVE-2026-50076Apache fory deserialization of untrusted data vulnerabilityDeserialization of Untrusted Data in the Java replace-resolve path in Apache Fory fory-core Java SDK before 1.1.0 on Java/JVM platforms allows a remo…EPSS 0.74%

Source: NIST National Vulnerability Database (record CVE-2026-71559), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.