Vulnerability · Published Aug 10, 2026 · Assigned by apache
CVE-2026-65942Apache Ranger: Clients accept TLS certificates issued for other hostnames
High 7.5
In plain English
A high-severity security flaw in Apache Ranger 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 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Ranger | 0 – through 2.8.0 |
Weakness: CWE-297 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N