Vulnerability · Published Jul 21, 2026 · Assigned by apache
CVE-2026-64606Apache Fory, Apache Fory: Class-registration bypass through an auto-admitted SerializedLambda capturing interface
Critical 9.8
In plain English
A critical-severity unsafe deserialization in Apache Fory from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Fory | 0.11.0 – before 1.4.0 |
| Apache Software Foundation | Apache Fory | 0.5.0 – before 0.11.0 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H