CVE-2026-65942 json
Apache Ranger: Clients accept TLS certificates issued for other hostnames
published 2026-08-10 2 mo ago modified 2026-10-24 16 d ago also EUVD-2026-55247
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- apache ranger 2.9.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Apache Software Foundation Apache Ranger
Classification
- Weakness
-
- CWE-297 Improper Validation of Certificate with Host Mismatch
References
-
lists.apache.org
/thread/pp6on4yyht3z8l0ktfo1xydhjzjbn4gt
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/08/09/9
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-65942
- NVD CVE-2026-65942
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.