CVE-2026-50645

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue by imposing a maximum default of 500 attachments per message.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/11/12	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:cxf::::::::
	cpe:2.3:a:apache:cxf::::::::

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) No hay restricción en la cantidad de encabezados de adjuntos que un mensaje puede contener al ser deserializado por Apache CXF, lo que puede llevar a un consumo descontrolado de recursos o un ataque de denegación de servicio. Se recomienda a los usuarios actualizar a las versiones 4.2.2 o 4.1.7, que solucionan este problema al imponer un máximo predeterminado de 500 adjuntos por mensaje.

Information

Published : 2026-06-12 10:16

Updated : 2026-10-26 11:10

NVD link : CVE-2026-50645

Mitre link : CVE-2026-50645

CVE.ORG link : CVE-2026-50645

JSON object : View

Products Affected

apache

cxf

CWE

CWE-400

Uncontrolled Resource Consumption

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