Auth bypass in Dbeaver Cloudbeaver
CVE-2026-108742
CloudBeaver through 25.3.5 contains a missing authorization vulnerability in the initConnection GraphQL mutation that lets view-only shared-project members persist credentials without datasource-edit permission. Attackers can set saveCredentials and sharedCredentials flags with chosen authProperties so other users connect to the shared connection under the attacker's database identity.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind03/cloudbeaver-initconnection-shared-credential-authz-bypass (third-party-advisory)
- github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/se… (technical-description)
- github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/se… (technical-description)
- github.com/dbeaver/cloudbeaver (product)
- www.vulncheck.com/advisories/cloudbeaver-through-25.3.5-missing-authorization-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108742?
- CVE-2026-108742 is a medium-severity vulnerability in Dbeaver Cloudbeaver, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108742?
- Medium severity. CVSS v3 base score is 4.3 out of 10.