CVE-2026-108742: CloudBeaver through 25.3.5 Missing Authorization via initConnection GraphQL Mutation

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-11 · updated 2026-10-16
Weakness: CWE-862

Description

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.

Affected products

DBeaver CloudBeaver: through 25.3.5

References

https://github.com/dbeaver/cloudbeaver
https://github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/DBWServiceCore.java#L130-L140
https://github.com/dbeaver/cloudbeaver/blob/48885c48f5fbd363bf3391f47a669629b4f3dd24/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/core/impl/WebServiceCore.java#L349-L480
https://hackmd.io/@haind03/cloudbeaver-initconnection-shared-credential-authz-bypass
https://www.vulncheck.com/advisories/cloudbeaver-through-25.3.5-missing-authorization-via-initconnection-graphql-mutation
https://hackmd.io/@haind03/cve-2026-108742-cloudbeaver-initconnection-shared-credential-authz-bypass

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