{"cve":"CVE-2026-106562","nvd":{"published":"2026-10-07T15:17:17.677","modified":"2026-10-16T14:53:52.520","status":"Analyzed","description":"Backstage is an open framework for building developer portals. Prior to 2.1.6 in @backstage/plugin-search-backend and 1.8.7 in @backstage/plugin-search-backend-module-elasticsearch, search engine permission filtering could return documents denied by policy. An authenticated Backstage user subject to a DENY policy for search document types could receive unauthorized results in deployments with permission.enabled set to true and an Elasticsearch or OpenSearch backend. This issue is fixed in @backstage/plugin-search-backend 2.1.6 and @backstage/plugin-search-backend-module-elasticsearch 1.8.7.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-754","CWE-863"],"references":["https://github.com/backstage/backstage/commit/2d5d3e77d630455d6d48cfa8f31fd3c126fd6f29","https://github.com/backstage/backstage/releases/tag/v1.54.1","https://github.com/backstage/backstage/security/advisories/GHSA-9325-vq29-gp3v"],"products":["linuxfoundation:backstage","linuxfoundation:backstage\\/plugin-search-backend","linuxfoundation:backstage\\/plugin-search-backend-module-elasticsearch"],"source":"nvd","synced_at":"2026-10-19T22:58:01.639778232+00:00"},"epss":{"cve":"CVE-2026-106562","score":0.00197,"percentile":0.0934,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-9325-vq29-gp3v","url":"https://osv.dev/vulnerability/GHSA-9325-vq29-gp3v","summary":"Backstage has incorrect authorization in search engine permission filtering","modified":"2026-10-07T18:15:11.183397966Z","packages":[{"ecosystem":"npm","name":"@backstage/plugin-search-backend","purl":"pkg:npm/%40backstage/plugin-search-backend","ranges":["<2.1.6"],"fixed":["2.1.6"]},{"ecosystem":"npm","name":"@backstage/plugin-search-backend-module-elasticsearch","purl":"pkg:npm/%40backstage/plugin-search-backend-module-elasticsearch","ranges":["<1.8.7"],"fixed":["1.8.7"]}]}],"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."]}