What is CVE-2026-64640?

CVE-2026-64640 is a medium-severity vulnerability in Apache Polaris, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-08-06.

How severe is CVE-2026-64640?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Apache Polaris

CVE-2026-64640

Apache Polaris did not consistently validate storage locations supplied during table and view registration. An authenticated principal with permission to register a table or view could, depending on the affected release and registration p…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apache Polaris
Apache Software Foundation Polaris — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-64640?: CVE-2026-64640 is a medium-severity vulnerability in Apache Polaris, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-08-06.
How severe is CVE-2026-64640?: Medium severity. CVSS v3 base score is 6.5 out of 10.