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CVE-2026-50076 — Vulnerability in org.apache.fory:fory-core — CVE...

CRITICAL

Apache Fory Java SDK Has Deserialization of Untrusted Data in the Java replace-resolve path

Published June 4, 2026Updated July 15, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published June 4, 2026 (130 days ago).
  • Last revised July 15, 2026 — 41 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.apache.fory:fory-core to 1.1.0 or later
<!-- Update pom.xml dependency version to 1.1.0 for org.apache.fory:fory-core -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: maven (1).

PackageEcosystemAffectedFixed In
org.apache.fory:fory-core
maven
0.11.0, 0.11.1, 0.11.2, 0.12.0 (+12 more)1.1.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

References

Frequently Asked Questions

What is CVE-2026-50076?
Apache Fory Java SDK Has Deserialization of Untrusted Data in the Java replace-resolve path This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2026-50076?
CVE-2026-50076 affects org.apache.fory:fory-core. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-50076 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-8f39-v287-78jf

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