CloudBeaver missing authorization exposes other users' LOB exports
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
DBeaver CloudBeaver through 25.3.5 has a missing authorization check (CWE-862) in the WebSQLResultServlet class. Any user holding a web session can read other users' LOB export files from a shared folder, including values from connections they cannot query. An attacker with only a valid session can guess table and column names and timestamps to locate the files.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for CloudBeaver.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-11 Threatist record created from CVE-2026-108745
- 2026-10-11 Alias added: GHSA-g5pc-84r5-pfr3
- 2026-10-14 CISA SSVC decision points changed
References
Other 3
- 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
More dbeaver vulnerabilities
- TI-2026-70721 Missing authorization in DBeaver CloudBeaver initConnection mutation CVSS 4.0MEDIUM 5.3
- TI-2026-86105 Path traversal in CloudBeaver lets users read server files CVSS 3.1MEDIUM 6.5
- TI-2026-86106 Authorization bypass in CloudBeaver lets users export restricted data CVSS 3.1MEDIUM 6.5
- TI-2021-02767 Improper Restriction of XML External Entity Reference in dbeaver/dbeaver CVSS 3.1MEDIUM 5.5
- TI-2026-86103 Path traversal in CloudBeaver Resource Manager exposes directory names CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-108745 · CVE Program
- CVE-2026-108745 · NVD
- FIRST EPSS
- GHSA-g5pc-84r5-pfr3 · GitHub Advisory Database · CC BY 4.0
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