November 15, 2026

CVE Watchtower

CVE-2026-71559Apache Fory Deserialization of Untrusted Data

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

Vulnerability Summary

Deserialization of Untrusted Data vulnerability in the Go implementation of Apache Fory allows an attacker to cause a denial of service by supplying crafted data containing malformed type metadata, which triggers an uncaught panic.

This issue affects Apache Fory: from 0.16.0 before 1.5.0.Β  Users of other language implementations are not affected.

Users are recommended to upgrade to version 1.5.0, which fixes the issue.
Severity Level
HIGH(7.5)
Published Date
Aug 7, 2026
Last Modified
Oct 24, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.80%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 7.5 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Apache Fory >= 0.16.0 and < 1.5.0
Patched Versions
  • Apache Fory 1.5.0

What to do

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

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

Timeline

  • Aug 7, 2026Published
  • Oct 24, 2026Record last modified

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

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External References

Data last checked: Nov 15, 2026 06:15 UTC