CVE-2026-65942 Apache Ranger: Clients accept TLS certificates issued for other hostnames
Apache Ranger clients fail to verify TLS hostnames, allowing attackers to bypass security checks via man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-65942?
CVE-2026-65942 is a high-severity vulnerability in Apache Ranger, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-297
Which versions are affected by CVE-2026-65942?
It affects 1 product.
Products include Apache Ranger.
How do I fix CVE-2026-65942?
No fix has been published for CVE-2026-65942 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-65942 being exploited?
There is no known exploitation of CVE-2026-65942 in the wild and no public exploit code.
Other vulnerabilities in Apache Ranger
- CVE-2026-28672 Apache Ranger: OS Command Injection via Username in UnixUserGroupBuilder
- CVE-2026-32227 Apache Ranger: SQL Injection vulnerability in lookup functionality
- CVE-2026-40920 Apache Ranger: Privilege Escalation via URL Parameter
- CVE-2026-42537 Apache Ranger: Remote Code Execution via JDBC URL Injection
- CVE-2026-44416 Apache Ranger: Remote Code Execution via Arbitrary Class Instantiation
Sources
Also known as GHSA-qr4j-jp4m-6jhm.