{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-26150",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "`@backstage/backend-common` is a common functionality library for backends for Backstage, an open platform for building developer portals. In `@backstage/backend-common` prior to versions 0.21.1, 0.20.2, and 0.19.10, paths checks with the `resolveSafeChildPath` utility were not exhaustive enough, leading to risk of path traversal vulnerabilities if symlinks can be injected by attackers. This issue is patched in `@backstage/backend-common` versions 0.21.1, 0.20.2, and 0.19.10."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                        "cweId": "CWE-22"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "backstage",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "backstage",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "= 0.21.0"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 0.19.10"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 0.20.0, < 0.20.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h",
                "refsource": "MISC",
                "name": "https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h"
            },
            {
                "url": "https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f",
                "refsource": "MISC",
                "name": "https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"
            },
            {
                "url": "https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717",
                "refsource": "MISC",
                "name": "https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717"
            },
            {
                "url": "https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871",
                "refsource": "MISC",
                "name": "https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-2fc9-xpp8-2g9h",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
                "version": "3.1"
            }
        ]
    }
}