CVE-2026-49326
6.5 · MEDIUMOverview
CVE-2026-49326 is a medium-severity vulnerability affecting apache hbase. It was published on July 24, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Missing Authorization vulnerability in Apache HBase thrift and rest delegation service.
A scan operation in thrift/rest service has 3 steps, open, fetch(possible multiple times), close.
The open step will return an id which will be passed back to server for identifying the scanner instances stored at server side.
We missed the owner check in fetch and close steps which means a user can fetch rows from the scanner which is opened by other users, and close scanners which belongs to other users.
This issue affects Apache HBase:from 3.0.0-alpha-1 through 3.0.0-beta-1, from 2.6.0 through 2.6.5, from 2.5.0 through 2.5.14, through 2.4.*.
Users are recommended to upgrade to version 3.0.0-beta-2, 2.6.6 and 2.5.15, which fixes the issue.
Remediation
Check the references section for vendor advisories and patches from apache. Update hbase to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | hbase | >= 0, < 2.5.15 | Affected |
Frequently Asked Questions
What is CVE-2026-49326?
CVE-2026-49326 is a medium-severity vulnerability affecting apache hbase. It was published on July 24, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-49326?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-49326?
Check the references section for vendor advisories and patches from apache. Update hbase to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-49326?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-49326 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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