What is CVE-2026-65948?

CVE-2026-65948 is a high-severity vulnerability in Apache Ranger, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.3/10. Published 2026-08-10.

How severe is CVE-2026-65948?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Apache Ranger

CVE-2026-65948

UnixAuth lacks brute-force protection in Apache Ranger versions <= 2.8.0. Note: UnixAuth is NOT a recommended option for production deployments. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

Published 2026-08-10 · last modified 2026-08-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (28.7th percentile), scored 2026-09-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Apache Ranger
Apache Software Foundation Ranger — versions 0

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

lists.apache.org/thread/cx53rbkxkn5hbvzv8ohwvndzrxhc06qf (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-65948?: CVE-2026-65948 is a high-severity vulnerability in Apache Ranger, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.3/10. Published 2026-08-10.
How severe is CVE-2026-65948?: High severity. CVSS v3 base score is 7.3 out of 10.