November 14, 2026

CVE Watchtower

CVE-2026-50076Apache Fory Deserialization of Untrusted Data

NVDCVSS scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0

Vulnerability 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.
Severity Level
CRITICAL(9.1)
Published Date
Jun 4, 2026
Last Modified
Jul 22, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.52%Probability
Root Weakness (CWE)
CWE-502: Deserialization of Untrusted Data β†—
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
CVSS v3.1 Base Metrics — Score 9.1 (CRITICAL)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Apache Fory < 1.1.0
Patched Versions
  • Apache Fory 1.1.0

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is critical.

  1. Check whether you run Apache Fory and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Jun 4, 2026Published
  • Jul 22, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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Related Coverage

More Apache Fory CVEs

External References

Data last checked: Nov 14, 2026 14:12 UTC