VulnerabilityAnalyzed
CVE-2026-64606
Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization.
CRITICAL 9.8EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- apache/fory
- Source
- security@apache.org
References
- https://lists.apache.org/thread/py6fbvm9nk1gxdd85rbzbozwzfh0jrscVendor Advisory, Issue Tracking
- http://www.openwall.com/lists/oss-security/2026/07/21/4Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.