Out-of-bounds read in Apache Fory - CVE-2026-71560
Published: August 25, 2026
Vulnerability identifier: #VU145160
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-71560
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information or cause a denial of service.
The vulnerability exists due to out-of-bounds read in the tagged-int fast-path deserializer in the Apache Fory C++ struct deserializer when deserializing structs containing tagged integer fields from a crafted input payload. A remote attacker can supply a specially crafted input payload to disclose sensitive information or cause a denial of service.
Only applications using Apache Fory C++ deserialization of structs containing tagged integer fields are affected.
Affected software
Apache Fory
How to mitigate CVE-2026-71560
Install security update from vendor's website.
Apache Fory - update to 1.5.0