Filter Bypass Vulnerability in Apache Product
CVE-2026-47065

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Mina
Vendor
CVE Published:
3 June 2026

What is CVE-2026-47065?

A filter bypass vulnerability exists in certain Apache products where the deserialization process of Java objects can be manipulated. Specifically, when a serialized stream identifies a java.lang.reflect.Proxy, the ObjectInputStream's default behavior allows the construction of proxy classes without proper checks against an accepted classes list. This could enable attackers to invoke static initializers of classes on an allow-list, leading to potential unauthorized execution of code. Both identified issues linked to this vulnerability have been fully addressed, ensuring the integrity of the affected products.

Affected Version(s)

Apache MINA 2.2.0 < 2.2.8

Apache MINA 2.1.0 < 2.1.13

Apache MINA 2.0.0 < 2.0.29

References

https://lists.apache.org/thread/y7xj1bl8qo47p9bktb11hg5v6...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Venkatraman Kumar, SecureIn
.