CloudBeaver through 25.3.5 Missing Authorization via /api/sql-result-value Servlet

Advisories

CloudBeaver through 25.3.5 Missing Authorization via /api/sql-result-value Servlet

severity: low
date: 10/11/2026
Affecting: CloudBeaver <= 25.3.5
CVE: CVE-2026-108745
CWE: CWE-862 Missing Authorization
CVSS: 2.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References: https://hackmd.io/@haind03/cloudbeaver-sql-lob-servlet-missing-authorization
https://github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLResultServlet.java#L57-L94
https://github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLDataLOBReceiver.java#L37-L70
https://github.com/dbeaver/cloudbeaver
Credit: HaiND from the Post and Telecommunication Institute of Technology
Description: CloudBeaver through 25.3.5 contains a missing authorization vulnerability in WebSQLResultServlet that allows any web session holder to read other users' LOB export files from a shared folder. Attackers can guess table and column names and enumerate second-resolution timestamps to download victims' LOB values, including data from connections they cannot query.

Ready to get Started?

Explore VulnCheck, a next-generation Cyber Threat Intelligence platform, which provides exploit and vulnerability intelligence to help you prioritize and remediate vulnerabilities that matter.

Vulnerability Prioritization
Prioritize vulnerabilities that matter based on the threat landscape and defer vulnerabilities that don't.
Early Warning System
Real-time alerting of changes in the vulnerability landscape so that you can take action before the attacks start.

Schedule a Demo