CVE-2026-62764 Apache Accumulo: A user can trigger a graceful shutdown of services without the relevant system permissions

Medium 5.7 Published Updated

Low-privileged users can shut down system components without authorization, causing denial of service in Apache Accumulo.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-62764?

CVE-2026-62764 is a medium-severity missing authorization vulnerability in Apache Accumulo, published on 17 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-274

Which versions are affected by CVE-2026-62764?

It affects 1 product.

Products include Apache Accumulo.

How do I fix CVE-2026-62764?

No fix has been published for CVE-2026-62764 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-62764 being exploited?

There is no known exploitation of CVE-2026-62764 in the wild and no public exploit code.

Sources

Also known as GHSA-jqcf-97x5-2qc4.

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