CVE-2026-108745

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.

CVSS 4.0

2.3CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-10-11

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://github.com/dbeaver/cloudbeaver
• 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/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLResultServlet.java#L57-L94
• https://hackmd.io/@haind03/cloudbeaver-sql-lob-servlet-missing-authorization
• https://www.vulncheck.com/advisories/cloudbeaver-through-25.3.5-missing-authorization-via-api-sql-result-value-servlet

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