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Description

Deserialization 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 remote attacker to bypass class registration, TypeChecker, and DisallowedList checks and invoke classpath-present readResolve/readExternal hooks via crafted Fory serialized data. Users are recommended to upgrade to version 1.1.0 or later, which fixes this issue.

PUBLISHED Reserved 2026-06-03 | Published 2026-06-04 | Updated 2026-06-04 | Assigner apache

Problem types

CWE-502 Deserialization of Untrusted Data

Product status

Default status
unaffected

Any version before 1.1.0
affected

Credits

Venkatraman Kumar (r3dw0lfsec), Securin reporter

References

www.openwall.com/lists/oss-security/2026/06/04/4

fory.apache.org/security vendor-advisory

cve.org (CVE-2026-50076)

nvd.nist.gov (CVE-2026-50076)

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