CVE-2026-65942
Received Received - Intake

TLS Hostname Verification Bypass in Apache Ranger Client

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: Apache Software Foundation

Description
TLS hostname verification issue in Apache Ranger Client Code in versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-65942
EUVD
EUVD-2026-55247

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache ranger to 2.9.0 (exc)
apache ranger to 2.8.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.

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Executive Summary

CVE-2026-65942 is a TLS hostname verification flaw in Apache Ranger Client Code affecting versions up to 2.8.0. The issue allows clients to improperly accept TLS certificates issued for other hostnames, potentially enabling man-in-the-middle attacks or unauthorized access.

Impact Analysis

This vulnerability could allow attackers to intercept or alter communications between clients and servers by exploiting improper TLS certificate validation. This may lead to unauthorized access to sensitive data or systems.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by enabling man-in-the-middle attacks or unauthorized access due to improper TLS hostname verification. Such attacks may lead to data interception or exposure, violating confidentiality requirements in these regulations.

Mitigation Strategies

Upgrade Apache Ranger to version 2.9.0 or later to address the TLS hostname verification flaw in the client code.

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