Vulnerability · Published Oct 2, 2026 · Assigned by apache

CVE-2026-66054Apache Thrift: C++ THeaderTransport does not enforce configured maxFrameSize

Medium 6.9

In plain English

A medium-severity resource allocation without limits in Apache Thrift from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12thriftno fix listedDEBIAN-CVE-2026-66054
Debian:13thriftno fix listedDEBIAN-CVE-2026-66054
Debian:14thriftno fix listedDEBIAN-CVE-2026-66054
Ubuntu:22.04:LTSthriftno fix listedUBUNTU-CVE-2026-66054
Ubuntu:24.04:LTSthriftno fix listedUBUNTU-CVE-2026-66054
Ubuntu:26.04:LTSthriftno fix listedUBUNTU-CVE-2026-66054
Ubuntu:26.10thriftno fix listedUBUNTU-CVE-2026-66054

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Thrift 0 – before 0.25.0

Weakness: CWE-770, CWE-409 · 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

References