CVE-2026-71559

⚠️ high

Summary

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 Score

7.5

High

EPSS Score

0.6

Exploit Probability

Published Date

2026-08-07

First Seen: 2026-08-08

📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 67.7% of all 361,609 vulnerabilities in our database.

#116,654

Above average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Aug 7, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Zhixi "Jace Sun", independent security researcher (reporter)

SSVC data provided by CISA

Last Modified 2026-08-08

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-502

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
apache	fory	Affected	> 0.16.0 < 1.5.0

🔗 References 2

https://lists.apache.org/thread/f28bw002p32yt723rvv3...

Mailing List Vendor Advisory

http://www.openwall.com/lists/oss-security/2026/08/07/4

Mailing List Third Party Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-71558	⛔ critical	9.8	0.7	Heap type confusion vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from ...	2026-08-07
CVE-2026-71560	⛔ critical	9.1	0.6	Out-of-bounds Read vulnerability in Apache Fory C++ deserialization. This issue affects Apache Fory C++ versions from 0...	2026-08-07
CVE-2026-64608	⛔ critical	9.8	0.5	Heap type confusion and out-of-bounds read/write in the Apache Fory C++ implementation. When deserializing data in compa...	2026-07-21
CVE-2026-64609	⛔ critical	9.1	0.5	Out-of-bounds read via sun.misc.Unsafe in Apache Fory. When out-of-band zero-copy deserialization is used, readAlignedVa...	2026-07-21
CVE-2026-64606	⛔ critical	9.8	0.6	Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lamb...	2026-07-21
CVE-2026-60080	⚠️ high	7.3	0.4	Use After Free vulnerability in the Rust deserialization logic of Apache Fory. This issue affects Apache Fory from 0.13....	2026-07-21

These CVEs affect the same products