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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.008 · change: +0.003
Affected products
- Apache Accumulo
- Apache Software Foundation Accumulo — versions 2.1.4
Weakness classification (CWE)
References
- github.com/apache/accumulo/issues/6478 (issue-tracking, Patch, Issue Tracking)
- accumulo.apache.org/release/accumulo-2.1.6/ (release-notes, vendor-advisory, Release Notes)
- accumulo.apache.org/downloads/ (Product, product, patch)
- lists.apache.org/thread/qclg736k93oqn4qrpw9wxjbb3jhn6gm1 (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.