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    "cveMetadata": {
        "cveId": "CVE-2026-13067",
        "assignerOrgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
        "state": "PUBLISHED",
        "assignerShortName": "mongodb",
        "dateReserved": "2026-06-23T18:00:10.530Z",
        "datePublished": "2026-07-22T19:16:38.192Z",
        "dateUpdated": "2026-07-24T03:56:10.776Z"
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                "dateUpdated": "2026-07-22T19:16:38.192Z"
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            "title": "tlsCATrusts Role Restriction Not Enforced via PROXY Protocol v2 on Unix Domain Socket",
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863: Incorrect Authorization",
                            "type": "CWE"
                        }
                    ]
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            ],
            "affected": [
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                    "vendor": "MongoDB",
                    "product": "MongoDB Server",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "8.0",
                            "lessThan": "8.0.28",
                            "versionType": "semver"
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                            "version": "8.3.0",
                            "lessThan": "8.3.7",
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                    "lang": "en",
                    "value": "When PROXY protocol v2 is used on the Unix domain socket path, roles derived from X.509 client certificates may not be validated against the configured tlsCATrusts allow-list. This can result in unintended role assignments following MONGODB-X509 authentication. Affected scenarios require local access to the proxy Unix domain socket and a valid X.509 certificate issued by a trusted certificate authority.",
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            ],
            "references": [
                {
                    "url": "https://jira.mongodb.org/browse/SERVER-128387"
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                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
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                        "baseScore": 7.2,
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
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                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.3,
                        "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
                        "exploitCodeMaturity": "NOT_DEFINED",
                        "remediationLevel": "NOT_DEFINED",
                        "reportConfidence": "NOT_DEFINED"
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            "source": {
                "discovery": "INTERNAL"
            },
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            {
                "metrics": [
                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-23T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-13067"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-24T03:56:10.776Z"
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