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CVE-2026-71560— Apache Fory: Out-of-bounds heap read in C++ struct deserializer tagged-int fast-path

Quick assessment

Affected
Apache Software Foundation Apache Fory
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Fory C++是美国Apache基金会的一个C++开发框架。 Apache Fory C++ 0.14.0版本至1.5.0之前版本存在反序列化注入漏洞，该漏洞源于反序列化包含标记整数字段的结构体时存在越界读取，可能导致信息泄露或拒绝服务。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.77% · P55

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Fory 0.14.0< 1.5.0 affected
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I. Basic Information for CVE-2026-71560

Vulnerability Information
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Vulnerability Title
Apache Fory: Out-of-bounds heap read in C++ struct deserializer tagged-int fast-path
Source: CVE Program / CVE List V5
Vulnerability Description
Out-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 deserializing structs containing tagged integer fields. A crafted input payload may trigger an out-of-bounds heap read in the tagged integer fast-path deserializer, potentially causing information disclosure or denial of service. Users are recommended to upgrade to Apache Fory 1.5.0, which fixes this issue. Applications that do not use Apache Fory C++ or do not use tagged integer fields are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Fory C++ 反序列化漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Fory C++是美国Apache基金会的一个C++开发框架。 Apache Fory C++ 0.14.0版本至1.5.0之前版本存在反序列化注入漏洞，该漏洞源于反序列化包含标记整数字段的结构体时存在越界读取，可能导致信息泄露或拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Fory 0.14.0 ~ 1.5.0 -

II. Public POCs for CVE-2026-71560

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III. Intelligence Information for CVE-2026-71560

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Mailing List Discussions for CVE-2026-71560 (1)

Same Patch Batch · Apache Software Foundation · 2026-08-07 · 3 CVEs total

CVE-2026-71559 Apache Fory: Uncaught panic (remote DoS) in Go meta-string decoder from untrusted metadata
CVE-2026-71558 Apache Fory: Heap type confusion in C++ polymorphic smart-pointer deserialization

IV. Related Vulnerabilities

Same product: Apache Fory
Same vendor: Apache Software Foundation
Same weakness: CWE-502