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CVE-2026-64606 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-64606

CVE-2026-64606

CRITICAL9.8

Apache Fory, Apache Fory: Class-registration bypass through an auto-admitted SerializedLambda capturing interface

Published Jul 21, 2026

Modified 1 months ago

Details

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.

References

http://www.openwall.com/lists/oss-security/2026/07/21/4

https://lists.apache.org/thread/py6fbvm9nk1gxdd85rbzbozwzfh0jrsc

https://www.cve.org/CVERecord?id=CVE-2026-64606

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Serialization

Deserialization of Untrusted Data

Ecosystems

Timeline

PublishedJul 21, 2026

ModifiedJul 21, 2026