CVE-2026-43869

Modified Modified - Updated After Analysis

Host Mismatch Certificate Validation Flaw in Apache Thrift

Publication date: 2026-05-05

Last updated on: 2026-07-01

Assigner: Apache Software Foundation

Description

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-05-05

Last Modified

2026-07-01

Generated

2026-07-06

AI Q&A

2026-05-05

EPSS Evaluated

2026-07-05

NVD

CVE-2026-43869

EUVD

EUVD-2026-27237

Affected Vendors & Products

Vendor	Product	Version / Range
apache	thrift	to 0.23.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-295	The product does not validate, or incorrectly validates, a certificate.
CWE-297	The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.

Attack-Flow Graph

Executive Summary

This vulnerability is an Improper Validation of Certificate with Host Mismatch in Apache Thrift. It means that the software does not correctly verify that the certificate presented matches the host it is supposed to represent, which can lead to security issues.

Impact Analysis

Because the certificate validation is improper, an attacker could potentially perform man-in-the-middle attacks or impersonate a trusted host, leading to unauthorized access or data interception.

Mitigation Strategies

Users are recommended to upgrade Apache Thrift to version 0.23.0, which fixes the Improper Validation of Certificate with Host Mismatch vulnerability.

Compliance Impact

The provided information does not specify how the CVE-2026-43869 vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.

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