{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:linuxfoundation:backstage_backend-common:0.21.0:*:*:*:*:node.js:*:*",
            "extracted_events": [
              {
                "introduced": "0.21.0"
              },
              {
                "last_affected": "0.21.0"
              }
            ],
            "source": [
              "CPE_STRING",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "ae7b2a28d60159b94eda7020b41e7c3a86c8fb3a"
            },
            {
              "fixed": "1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"
            },
            {
              "fixed": "78f892b3a84d63de2ba167928f171154c447b717"
            },
            {
              "fixed": "edf65d7d31e027599c2415f597d085ee84807871"
            }
          ],
          "repo": "https://github.com/backstage/backstage",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.21.0",
        "= 0.21.0"
      ]
    }
  ],
  "aliases": [
    "GHSA-2fc9-xpp8-2g9h"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26150.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "0.19.10"
          },
          {
            "introduced": "0.20.0"
          },
          {
            "fixed": "0.20.2"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "`@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.",
  "id": "CVE-2024-26150",
  "modified": "2026-07-15T01:49:14.017765256Z",
  "published": "2024-02-23T15:46:35.731Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26150.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26150"
    },
    {
      "type": "FIX",
      "url": "https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"
    },
    {
      "type": "FIX",
      "url": "https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717"
    },
    {
      "type": "FIX",
      "url": "https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "`@backstage/backend-common` vulnerable to path traversal through symlinks"
}