{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-55532",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-16T23:01:04.074Z",
        "datePublished": "2026-08-25T15:17:53.068Z",
        "dateUpdated": "2026-08-25T15:17:53.068Z"
    },
    "containers": {
        "cna": {
            "title": "PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-346",
                            "lang": "en",
                            "description": "CWE-346: Origin Validation Error",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-352",
                            "lang": "en",
                            "description": "CWE-352: Cross-Site Request Forgery (CSRF)",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 7.6,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pvph-5j39-v8qc",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-pvph-5j39-v8qc"
                },
                {
                    "name": "https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1"
                },
                {
                    "name": "https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58"
                }
            ],
            "affected": [
                {
                    "vendor": "MervinPraison",
                    "product": "PraisonAI",
                    "versions": [
                        {
                            "version": "< 4.6.58",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-25T15:17:53.068Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, MCP HTTP Stream _validate_origin uses request_origin.startswith(allowed), allowing the attacker-controlled localhost.attacker.com HTTP origin to satisfy the localhost allowlist. A webpage can send Content-Type: text/plain requests without preflight and invoke tools/call without an API key, including file writes that persist agent instructions. This issue is fixed in version 4.6.58."
                }
            ],
            "source": {
                "advisory": "GHSA-pvph-5j39-v8qc",
                "discovery": "UNKNOWN"
            }
        }
    }
}