PT-2026-61855 · Apache · Apache Fory

Charles Vosburgh · CVE-2026-64606 · Published 2026-07-21 · Updated 2026-07-21

NVD

CVSS v3.1

9.8

Critical

Base vector

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

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected

This issue affects Apache Fory: from before 1.4.0.

Users are recommended to upgrade to version 1.4.0, which fixes the issue.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-64606

Affected Products

Apache Fory

References · 2

• https://lists.apache.org/thread/py6fbvm9nk1gxdd85rbzbozwzfh0jrsc · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-64606 · Security Note