{"id":"CVE-2024-45815","aliases":["EUVD-2024-2705","GHSA-3x3f-jcp3-g22j"],"status":"published","title":"Prototype pollution in @backstage/plugin-catalog-backend","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00513,"percentile":0.44069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2024-09-17T20:14:31Z","modified":"2026-10-28T02:30:36Z","fixes":[{"ecosystem":"npm","package":"@backstage/plugin-catalog-backend","fixed_in":["1.26.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@backstage/plugin-catalog-backend","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@backstage/plugin-catalog-backend","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.26.0"}]}]}],"products":[{"vendor":"backstage","product":"backstage"},{"vendor":"linuxfoundation","product":"backstage"}],"references":[{"url":"https://github.com/backstage/backstage/security/advisories/GHSA-3x3f-jcp3-g22j","tags":["x_refsource_CONFIRM","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45815","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3x3f-jcp3-g22j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45815.json","tags":["advisory"]},{"url":"https://github.com/backstage/backstage","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-45815","title":"Prototype pollution in @backstage/plugin-catalog-backend","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.","status":"published","published":"2024-09-17T20:14:31.104Z","modified":"2024-09-18T14:49:10.507Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:34:07.831255Z"}],"euvd":[{"id":"EUVD-2024-2705","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.","status":"published","published":"2024-09-17T20:14:31Z","modified":"2024-09-18T14:49:10Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:21.470786Z"}],"ghsa":[{"id":"GHSA-3x3f-jcp3-g22j","title":"@backstage/plugin-catalog-backend Prototype Pollution vulnerability","description":"### Impact\n\nA 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.\n\n### Patches\n\nThis has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend` package.\n\n### References\n\nIf you have any questions or comments about this advisory:\n\nOpen an issue in the [Backstage repository](https://github.com/backstage/backstage)\nVisit our Discord, linked to in [Backstage README](https://github.com/backstage/backstage)\n","status":"published","published":"2024-09-17T21:29:49Z","modified":"2024-11-18T16:27:15Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:38:20.833758Z"}],"nvd":[{"id":"CVE-2024-45815","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.","status":"published","published":"2024-09-17T21:15:12.32Z","modified":"2026-06-17T07:54:52.087Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:10:26.717759Z"}],"osv":[{"id":"CVE-2024-45815","title":"Prototype pollution in @backstage/plugin-catalog-backend","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.","status":"published","published":"2024-09-17T20:14:31.104Z","modified":"2026-10-28T02:30:36.930475239Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:44:42.790566Z"},{"id":"GHSA-3x3f-jcp3-g22j","title":"@backstage/plugin-catalog-backend Prototype Pollution vulnerability","description":"### Impact\n\nA 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.\n\n### Patches\n\nThis has been fixed in the `1.26.0` release of the `@backstage/plugin-catalog-backend` package.\n\n### References\n\nIf you have any questions or comments about this advisory:\n\nOpen an issue in the [Backstage repository](https://github.com/backstage/backstage)\nVisit our Discord, linked to in [Backstage README](https://github.com/backstage/backstage)\n","status":"published","published":"2024-09-17T21:29:49Z","modified":"2024-11-18T16:27:13Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}