CVE-2026-94634

Apache Thrift: Python `TJSONProtocol` has a string length limit that is off by default

State: Published
Severity: 8.2 High
Published: Oct 2, 2026
Updated: Oct 2, 2026
Reserved: Sep 21, 2026

Description

Allocation of resources without limits or throttling, Initialization of a resource with an insecure default vulnerability in Apache Thrift Python bindings.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Scores

CVSS	Score	Vector	Source
4.0	8.2 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	apache

Weaknesses

CWE-770 Allocation of resources without limits or throttling
CWE-1188 Initialization of a resource with an insecure default

Affected Products

Product	Versions
Apache ThriftApache Software Foundation	before 0.25.0Affected

References

https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1vendor-advisory
https://lists.apache.org/thread/dgy8ox9t4bh1xhf74ovf29ht87x7dno4vendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.