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Juggle EUVDEUVD-2026-51278

| CVE-2026-67208 CRITICAL
Missing Authentication for Critical Function (CWE-306)
2026-07-30 VulnCheck GHSA-8rhq-39vx-cjqx
Docker Authentication Bypass RCE Juggle
9.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.8 CRITICAL

Remote unauthenticated access to a default-credential H2 console (PR:N, AC:L, AV:N) yields full OS command execution, so C/I/A all High; scope unchanged as impact is on the same vulnerable host.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jul 30, 2026 - 19:51 vuln.today
CVE Published
Jul 30, 2026 - 19:17 cve.org
CRITICAL 9.3

DescriptionCVE.org

Juggle through 1.6.0 contains a remote code execution vulnerability that allows unauthenticated remote attackers to execute arbitrary OS commands by connecting to the exposed H2 database web console using default shipped credentials. Attackers can access the unprotected /h2-console endpoint, authenticate with default credentials, and leverage the H2 CREATE ALIAS Runtime.exec() technique to execute arbitrary commands, resulting in root-level code execution when running the stock Docker image.

Articles & Coverage 2

News 3 New Docker Vulnerabilities - 1 Critical, 2 High Severity Jul 31, 2026 News Critical RCE in Docker via Exposed H2 Console Default Credentials - CVE-2026-67208 Jul 30, 2026

AnalysisAI

Remote code execution in Somta Juggle through version 1.6.0 lets unauthenticated network attackers run arbitrary OS commands by reaching the bundled H2 database web console, which ships exposed at /h2-console with default credentials. Because the stock Docker image runs as root, successful exploitation via the classic H2 CREATE ALIAS Runtime.exec() technique yields root-level code execution on the host container. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Discover exposed /h2-console endpoint
Delivery
Authenticate with default H2 credentials
Exploit
CREATE ALIAS wrapping Runtime.exec()
Execution
Execute arbitrary OS command
Impact
Gain root code execution in container
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Vulnerability AssessmentAI

Exploitation Requires that the H2 database web console be network-reachable at the /h2-console endpoint, which is the default in the affected Juggle deployment, and that the shipped default H2 credentials remain unchanged (they are, by default). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H, score 9.3) indicates a fully remote, low-complexity, unauthenticated attack with high confidentiality, integrity, and availability impact - consistent with the described default-credential H2 console RCE. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker scans for internet-exposed Juggle instances and opens the unauthenticated /h2-console endpoint in a browser. They log in using the publicly known default H2 credentials, then issue SQL that uses CREATE ALIAS to wrap Runtime.exec(), running an arbitrary shell command. …
Remediation No vendor-released patch identified at time of analysis; the only references are the VulnCheck advisory (https://www.vulncheck.com/advisories/juggle-unauthenticated-rce-via-exposed-h2-console) and GitHub issue #86 (https://github.com/somta/Juggle/issues/86), neither of which is a tagged release. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: audit all Somta Juggle deployments to identify internet-facing or network-accessible instances, and implement immediate firewall rules to restrict access to /h2-console. …

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EUVD-2026-51278 vulnerability details – vuln.today
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