Apache Thrift (<0.25.0) Bindings Resource Exhaustion
CVE-2026-66055 Published on October 2, 2026

Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TJSONProtocol accepts a single JSON string/number exceeding the configured size limit (multi-language)
Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift C++, Java, Go, netstd, Python and Delphi bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Vendor Advisory Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-66055 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE

Weakness Type

Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.


Products Associated with CVE-2026-66055

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Apache Thrift
 

Affected Versions

Apache Software Foundation Apache Thrift: Apache Software Foundation Apache Thrift: Apache Software Foundation Apache Thrift: Apache Software Foundation Apache Thrift: Apache Software Foundation Apache Thrift: Apache Software Foundation Apache Thrift: