CVE-2026-41566 Apache Kvrocks: Improper permission for the APPLYBATCH command
Attackers can exploit improper permission checks on the APPLYBATCH command to perform unauthorized actions in Apache Kvrocks.
- 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
- Available
What is CVE-2026-41566?
CVE-2026-41566 is a critical missing authorization vulnerability in Apache Kvrocks, published on 25 Jun 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 Permissions or Privileges vulnerability in Apache Kvrocks.
This issue affects Apache Kvrocks: 2.8.0.
Users are recommended to upgrade to version 2.16.0, which fixes the issue.
Weakness: CWE-280
Which versions are affected by CVE-2026-41566?
How do I fix CVE-2026-41566?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-41566 being exploited?
There is no known exploitation of CVE-2026-41566 in the wild and no public exploit code.
Sources
Also known as GHSA-q7pc-rp7q-9q3m, MINI-hvvw-v4w6-66hf.