CVE-2026-66054 PUBLISHED

Apache Thrift: C++ THeaderTransport does not enforce configured maxFrameSize

Assigner: apache
Reserved: 23.07.2026 Published: 02.10.2026 Updated: 02.10.2026

Allocation of Resources Without Limits or Throttling, Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Apache Thrift C++ bindings.

This issue affects Apache Thrift: before 0.25.0.

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

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache Thrift
Versions	Default: unaffected affected from 0 to 0.25.0 (excl.)

Credits

Bin Luo, University of Electronic Science and Technology of China (UESTC) finder

References

Problem Types

CWE-770 Allocation of Resources Without Limits or Throttling CWE
CWE-409 Improper Handling of Highly Compressed Data (Data Amplification) CWE