{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-54783",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-15T23:23:57.714Z",
        "datePublished": "2026-07-08T22:16:08.533Z",
        "dateUpdated": "2026-07-10T03:55:39.889Z"
    },
    "containers": {
        "cna": {
            "title": "CoreWCF: XML Signature Wrapping in WS-Security endorsing/supporting signature verification allows replay of captured signed messages",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-294",
                            "lang": "en",
                            "description": "CWE-294: Authentication Bypass by Capture-replay",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-345",
                            "lang": "en",
                            "description": "CWE-345: Insufficient Verification of Data Authenticity",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-347",
                            "lang": "en",
                            "description": "CWE-347: Improper Verification of Cryptographic Signature",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-gqv6-pwcg-87r8",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/security/advisories/GHSA-gqv6-pwcg-87r8"
                },
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/commit/0589692d4b9a41d21b34ac48281e95f6df7f4ce5",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/commit/0589692d4b9a41d21b34ac48281e95f6df7f4ce5"
                },
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/commit/30aef805270976c42477e3f2a05f4e563d86e247",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/commit/30aef805270976c42477e3f2a05f4e563d86e247"
                },
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/commit/4618f24165ad018ad3ed2636bf8c3bc87d2a3be2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/commit/4618f24165ad018ad3ed2636bf8c3bc87d2a3be2"
                },
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.8.1"
                },
                {
                    "name": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/CoreWCF/CoreWCF/releases/tag/v1.9.1"
                }
            ],
            "affected": [
                {
                    "vendor": "CoreWCF",
                    "product": "CoreWCF",
                    "versions": [
                        {
                            "version": ">= 1.9.0, < 1.9.1",
                            "status": "affected"
                        },
                        {
                            "version": "< 1.8.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-08T22:16:08.533Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF WS-Security endorsing and supporting signature verification does not ensure the selected ds:Signature covers the expected Security header target, allowing an attacker with one captured signed SOAP envelope to replay arbitrary service operations as the victim principal. This issue is fixed in versions 1.8.1 and 1.9.1."
                }
            ],
            "source": {
                "advisory": "GHSA-gqv6-pwcg-87r8",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-09T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-54783"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-10T03:55:39.889Z"
                }
            }
        ]
    }
}