Vulnerability in Apache Accumulo
CVE-2026-62764
Improper Handling of Insufficient Privileges vulnerability in Apache Accumulo. An authenticated, but low-privileged user without system permissions may issue a remote command to gracefully shutdown system components (compaction-coordinator, compactor, gc, manager, monitor, tserver, or sserver), leading to a denial of service. This issue affects Apache Accumulo 2.1.4 and 2.1.5. Users are recommended to upgrade to version 2.1.6, which fixes the issue.
EPSS: 0.005 (38.8th percentile) — read the EPSS interpretation.
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:N/I:N/A:H.
Affected products
- Apache Accumulo
- Apache Software Foundation Accumulo — versions 2.1.4
Weakness classification (CWE)
References
- security@apache.org (issue-tracking, Patch, Issue Tracking)
- security@apache.org (release-notes, vendor-advisory, Release Notes)
- security@apache.org (Product, product, patch)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-62764?
- CVE-2026-62764 is a medium-severity vulnerability in Apache Accumulo, classified under Improper Handling of Insufficient Privileges. CVSS score: 6.5/10. Published 2026-07-17.
- How severe is CVE-2026-62764?
- Medium severity. CVSS v3 base score is 6.5 out of 10.