CVE-2026-71559: CWE-502 Deserialization of Untrusted Data in Apache Software Foundation Apache Fory
CVE-2026-71559 is a deserialization of untrusted data vulnerability in the Go implementation of Apache Fory. An attacker can cause a denial of service by supplying crafted data with malformed type metadata, triggering an uncaught panic. This affects Apache Fory versions from 0.16.0 up to but not including 1.5.0. The issue is fixed in version 1.5.0.
AI Analysis
Technical Summary
The vulnerability involves deserialization of untrusted data in Apache Fory's Go implementation. Specifically, malformed type metadata in crafted input causes an uncaught panic, resulting in denial of service. This affects versions >=0.16.0 and <1.5.0. Other language implementations of Apache Fory are not affected. Users are advised to upgrade to version 1.5.0 where the issue is resolved.
Potential Impact
An attacker can cause a denial of service by triggering an uncaught panic during deserialization of maliciously crafted data. There is no impact on confidentiality or integrity, only availability is affected.
Mitigation Recommendations
Users should upgrade Apache Fory to version 1.5.0 or later, which fixes this vulnerability. No other mitigations are indicated.
CVE-2026-71559: CWE-502 Deserialization of Untrusted Data in Apache Software Foundation Apache Fory
Description
CVE-2026-71559 is a deserialization of untrusted data vulnerability in the Go implementation of Apache Fory. An attacker can cause a denial of service by supplying crafted data with malformed type metadata, triggering an uncaught panic. This affects Apache Fory versions from 0.16.0 up to but not including 1.5.0. The issue is fixed in version 1.5.0.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Fory
pkg:golang/github.com/apache/foryRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability involves deserialization of untrusted data in Apache Fory's Go implementation. Specifically, malformed type metadata in crafted input causes an uncaught panic, resulting in denial of service. This affects versions >=0.16.0 and <1.5.0. Other language implementations of Apache Fory are not affected. Users are advised to upgrade to version 1.5.0 where the issue is resolved.
Potential Impact
An attacker can cause a denial of service by triggering an uncaught panic during deserialization of maliciously crafted data. There is no impact on confidentiality or integrity, only availability is affected.
Mitigation Recommendations
Users should upgrade Apache Fory to version 1.5.0 or later, which fixes this vulnerability. No other mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-08-07T07:01:43.187Z
- State
- PUBLISHED
Threat ID: 6a75a4d4bf8831d5391462e7
Added to database: 08/07/2026, 09:26:44 UTC
Last enriched: 08/14/2026, 16:01:17 UTC
Last updated: 09/21/2026, 22:01:37 UTC
Views: 80
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