CVE-2026-50076
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Apache Fory
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- apache fory1.1.0 or later
- org.apache.fory:fory-core1.1.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache fory | v < 1.1.0 | 1.1.0 |
| org.apache.fory:fory-coreMaven | v < 1.1.0 | 1.1.0 |
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