{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2025-55164",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2025-08-07T18:27:23.307Z",
        "datePublished": "2025-08-12T16:02:44.952Z",
        "dateUpdated": "2025-08-20T19:39:47.679Z"
    },
    "containers": {
        "cna": {
            "title": "content-security-policy-parser Prototype Pollution Vulnerability May Lead to RCE",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1321",
                            "lang": "en",
                            "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/helmetjs/content-security-policy-parser/security/advisories/GHSA-w2cq-g8g3-gm83",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/helmetjs/content-security-policy-parser/security/advisories/GHSA-w2cq-g8g3-gm83"
                },
                {
                    "name": "https://github.com/helmetjs/content-security-policy-parser/issues/11",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/helmetjs/content-security-policy-parser/issues/11"
                },
                {
                    "name": "https://github.com/helmetjs/content-security-policy-parser/commit/b13a52554f0168af393e3e38ed4a94e9e6aea9dc",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/helmetjs/content-security-policy-parser/commit/b13a52554f0168af393e3e38ed4a94e9e6aea9dc"
                }
            ],
            "affected": [
                {
                    "vendor": "helmetjs",
                    "product": "content-security-policy-parser",
                    "versions": [
                        {
                            "version": "< 0.6.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2025-08-12T16:03:21.616Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "content-security-policy-parser parses content security policy directives. A prototype pollution vulnerability exists in versions 0.5.0 and earlier, wherein if a policy name is called __proto__, one can override the Object prototype. This issue has been patched in version 0.6.0. A workaround involves disabling prototype method in NodeJS, neutralizing all possible prototype pollution attacks. Provide either --disable-proto=delete (recommended) or --disable-proto=throw as an argument to node to enable this feature."
                }
            ],
            "source": {
                "advisory": "GHSA-w2cq-g8g3-gm83",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-08-12T17:52:38.896996Z",
                                "id": "CVE-2025-55164",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-08-12T17:53:03.769Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-08-20T19:39:47.679Z"
                },
                "references": [
                    {
                        "url": "https://www.vicarius.io/vsociety/posts/cve-2025-55164-detect-node-csp-parser-vulnerability"
                    },
                    {
                        "url": "https://www.vicarius.io/vsociety/posts/cve-2025-55164-mitigate-csp-parser-vulnerability"
                    }
                ],
                "title": "CVE Program Container",
                "x_generator": {
                    "engine": "ADPogram 0.0.1"
                }
            }
        ]
    }
}