High severity · published Aug 10, 2026
CVE-2026-65942
Apache Ranger: Clients accept TLS certificates issued for other hostnames
7.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
Apache Ranger · Apache Software Foundation
through 2.8.0 · source: vendor
RA
Ranger · Apache
before 2.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-65942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-65942
Mailing List
https://lists.apache.org/thread/pp6on4yyht3z8l0ktfo1xydhjzjbn4gt
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/09/9
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