What is CVE-2026-55814?

CVE-2026-55814 is a high-severity vulnerability in Apache Ranger, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-10.

How severe is CVE-2026-55814?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apache Ranger

CVE-2026-55814

Missing Authentication in Apache Ranger Download APIs on versions <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

Vulnerability class: Broken Authentication

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.5th percentile), scored 2026-09-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apache Ranger
Apache Software Foundation Ranger — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

lists.apache.org/thread/yoorhnbxfydb5xoxlxlmms0f268rj9dh (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-55814?: CVE-2026-55814 is a high-severity vulnerability in Apache Ranger, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-10.
How severe is CVE-2026-55814?: High severity. CVSS v3 base score is 7.5 out of 10.