{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53508",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-09T17:05:25.059Z",
        "datePublished": "2026-08-31T18:52:12.213Z",
        "dateUpdated": "2026-08-31T18:58:08.849Z"
    },
    "containers": {
        "cna": {
            "title": "oasdiff does not enforce --allow-external-refs=false on the git-revision load path (SSRF / local file read)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-73",
                            "lang": "en",
                            "description": "CWE-73: External Control of File Name or Path",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-693",
                            "lang": "en",
                            "description": "CWE-693: Protection Mechanism Failure",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-918",
                            "lang": "en",
                            "description": "CWE-918: Server-Side Request Forgery (SSRF)",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 6,
                        "baseSeverity": "MEDIUM",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/oasdiff/oasdiff/security/advisories/GHSA-2jcc-mxv7-p3f9",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/oasdiff/oasdiff/security/advisories/GHSA-2jcc-mxv7-p3f9"
                },
                {
                    "name": "https://github.com/oasdiff/oasdiff/pull/832",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/oasdiff/oasdiff/pull/832"
                },
                {
                    "name": "https://github.com/oasdiff/oasdiff/pull/974",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/oasdiff/oasdiff/pull/974"
                },
                {
                    "name": "https://github.com/oasdiff/oasdiff/pull/975",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/oasdiff/oasdiff/pull/975"
                }
            ],
            "affected": [
                {
                    "vendor": "oasdiff",
                    "product": "oasdiff",
                    "versions": [
                        {
                            "version": ">= 1.13.2, < 1.18.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-31T18:52:12.213Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "oasdiff is a command-line and Go package that compares and detects breaking changes in OpenAPI specs. From version 1.13.2 through version 1.18.0, oasdiff did not enforce --allow-external-refs=false (library: openapi3.Loader.IsExternalRefsAllowed = false) when loading a spec from a git revision (the rev:path form, e.g. main:openapi.yaml). External $refs were resolved on that load path even when external refs were explicitly disabled, so the mitigation silently did not apply there. This issue has been patched in version 1.18.1."
                }
            ],
            "source": {
                "advisory": "GHSA-2jcc-mxv7-p3f9",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-31T18:57:49.502659Z",
                                "id": "CVE-2026-53508",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "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": "2026-08-31T18:58:08.849Z"
                }
            }
        ]
    }
}