CVE-2026-62764 Apache Software Foundation CVE debrief

Who should care

Users of Apache Accumulo 2.1.4 and 2.1.5, particularly those with low-privileged user access, should be aware of this vulnerability and take steps to upgrade to version 2.1.6. Operators, platform administrators, and security teams should review affected deployments and plan for mitigations.

Technical summary

The vulnerability allows an authenticated, low-privileged user to issue a remote command to shutdown system components in Apache Accumulo, leading to a denial of service. The issue affects Apache Accumulo 2.1.4 and 2.1.5, and is fixed in version 2.1.6. Users should review system component exposure, assess potential impact on data integrity and availability, and plan for upgrades. Affected deployments should be reviewed for exposure, and compensating controls may be necessary to mitigate potential risks. It is recommended to restrict access to authenticated users with low privileges, monitor system components for shutdown commands, and check relevant monitoring, detection, and logs for exposed assets.

Defensive priority

Medium

Recommended defensive actions

• Upgrade to Apache Accumulo version 2.1.6
• Restrict access to authenticated users with low privileges
• Monitor system components for shutdown commands
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions and retest remediated assets
• Perform an asset inventory to identify potentially affected systems

Evidence notes

The CVE record was published on 2026-07-17T09:16:41.853Z and has not been modified since then. The NVD entry is currently 5.7 (MEDIUM). Evidence is limited to CVE and NVD details. Defenders should verify affected Accumulo deployments, review official advisories, and plan for upgrades to version 2.1.6. Compensating controls and monitoring may be necessary.

Official resources