{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-106493",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-10-06T18:46:47.766Z",
        "datePublished": "2026-10-06T20:52:02.451Z",
        "dateUpdated": "2026-10-07T18:14:34.622Z"
    },
    "containers": {
        "cna": {
            "title": "Backstage: Cloud storage catalog locations may cross configured storage boundaries",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-22",
                            "lang": "en",
                            "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 3,
                        "baseSeverity": "LOW",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "HIGH",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/backstage/backstage/security/advisories/GHSA-xvh9-35w9-42m4",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/backstage/backstage/security/advisories/GHSA-xvh9-35w9-42m4"
                },
                {
                    "name": "https://github.com/backstage/backstage/commit/47ddbd8b4a3efd812309f759c38f4877fbd9e5ff",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/backstage/backstage/commit/47ddbd8b4a3efd812309f759c38f4877fbd9e5ff"
                },
                {
                    "name": "https://github.com/backstage/backstage/releases/tag/v1.54.6",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/backstage/backstage/releases/tag/v1.54.6"
                }
            ],
            "affected": [
                {
                    "vendor": "backstage",
                    "product": "backstage",
                    "versions": [
                        {
                            "version": "< 1.54.6",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "@backstage",
                    "product": "plugin-catalog-backend-module-azure",
                    "versions": [
                        {
                            "version": "< 0.17.8",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "@backstage",
                    "product": "plugin-catalog-backend-module-aws",
                    "versions": [
                        {
                            "version": "< 0.4.27",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "@backstage",
                    "product": "plugin-catalog-backend-module-azure",
                    "versions": [
                        {
                            "version": "< 0.3.21",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-10-06T20:52:02.451Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Backstage is an open framework for building developer portals. Prior to 1.54.6, cloud storage catalog providers did not sufficiently validate object paths. A principal able to create or rename objects in a configured Azure Blob Storage or AWS S3 catalog source could cause catalog descriptors to be read from outside the intended storage boundary, limited to locations reachable with the backend's configured credentials. This issue is fixed in 1.54.6."
                }
            ],
            "source": {
                "advisory": "GHSA-xvh9-35w9-42m4",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-07T18:14:25.801155Z",
                                "id": "CVE-2026-106493",
                                "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": "2026-10-07T18:14:34.622Z"
                }
            }
        ]
    }
}