{"id":"CVE-2024-26150","summary":"`@backstage/backend-common` vulnerable to path traversal through symlinks","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.","aliases":["GHSA-2fc9-xpp8-2g9h"],"modified":"2026-08-12T03:51:39.524595774Z","published":"2024-02-23T15:46:35.731Z","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"}]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/backstage/backstage","events":[{"introduced":"ae7b2a28d60159b94eda7020b41e7c3a86c8fb3a"},{"fixed":"1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"},{"fixed":"78f892b3a84d63de2ba167928f171154c447b717"},{"fixed":"edf65d7d31e027599c2415f597d085ee84807871"}],"database_specific":{"extracted_events":[{"introduced":"0.21.0"},{"last_affected":"0.21.0"}],"source":["CPE_STRING","REFERENCES"],"cpe":"cpe:2.3:a:linuxfoundation:backstage_backend-common:0.21.0:*:*:*:*:node.js:*:*"}}],"versions":["0.21.0","= 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