{"cve":"CVE-2024-45815","nvd":{"published":"2024-09-17T21:15:12.320","modified":"2026-06-17T07:54:52.087","status":"Undergoing Analysis","description":"Backstage is an open framework for building developer portals. A malicious actor with authenticated access to a Backstage instance with the catalog backend plugin installed is able to interrupt the service using a specially crafted query to the catalog API. This has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend`. All users are advised to upgrade. There are no known workarounds for this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-1321"],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-3x3f-jcp3-g22j"],"products":["linuxfoundation:backstage"],"source":"nvd","synced_at":"2026-10-19T21:54:38.012257375+00:00"},"epss":{"cve":"CVE-2024-45815","score":0.00513,"percentile":0.43758,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3x3f-jcp3-g22j","url":"https://osv.dev/vulnerability/GHSA-3x3f-jcp3-g22j","summary":"@backstage/plugin-catalog-backend Prototype Pollution vulnerability","modified":"2024-11-18T16:27:13Z","packages":[{"ecosystem":"npm","name":"@backstage/plugin-catalog-backend","purl":"pkg:npm/%40backstage/plugin-catalog-backend","ranges":["<1.26.0"],"fixed":["1.26.0"]}]}],"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."]}