{"cve":"CVE-2024-26150","nvd":{"published":"2024-02-23T16:15:48.570","modified":"2026-06-17T07:17:12.267","status":"Analyzed","description":"`@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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-22"],"references":["https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f","https://github.com/backstage/backstage/commit/78f892b3a84d63de2ba167928f171154c447b717","https://github.com/backstage/backstage/commit/edf65d7d31e027599c2415f597d085ee84807871","https://github.com/backstage/backstage/security/advisories/GHSA-2fc9-xpp8-2g9h","https://github.com/backstage/backstage/commit/1ad2b1b61ebb430051f7d804b0cc7ebfe7922b6f"],"products":["linuxfoundation:backstage_backend-common"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-26150","score":0.00801,"percentile":0.56628,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-2fc9-xpp8-2g9h","url":"https://osv.dev/vulnerability/GHSA-2fc9-xpp8-2g9h","summary":"`@backstage/backend-common` vulnerable to path traversal through symlinks","modified":"2026-09-10T03:50:05.254089104Z","packages":[{"ecosystem":"npm","name":"@backstage/backend-common","purl":"pkg:npm/%40backstage/backend-common","ranges":[">=0.21.0 <0.21.1"],"fixed":["0.21.1"]},{"ecosystem":"npm","name":"@backstage/backend-common","purl":"pkg:npm/%40backstage/backend-common","ranges":["<0.19.10"],"fixed":["0.19.10"]},{"ecosystem":"npm","name":"@backstage/backend-common","purl":"pkg:npm/%40backstage/backend-common","ranges":[">=0.20.0 <0.20.2"],"fixed":["0.20.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}