{"id":"CVE-2026-106562","state":"PUBLISHED","title":"Backstage: Incorrect authorization in search engine permission filtering","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.","publishedAt":"2026-10-07T14:54:13.183Z","updatedAt":"2026-10-07T16:14:59.044Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["backstage backstage","@backstage plugin-search-backend","@backstage plugin-search-backend-module-elasticsearch"],"affected":[{"vendor":"backstage","product":"backstage","versions":[{"version":"< 1.54.1","status":"affected"}]},{"vendor":"@backstage","product":"plugin-search-backend","versions":[{"version":"< 2.1.6","status":"affected"}]},{"vendor":"@backstage","product":"plugin-search-backend-module-elasticsearch","versions":[{"version":"< 1.8.7","status":"affected"}]}],"references":["https://github.com/backstage/backstage/security/advisories/GHSA-9325-vq29-gp3v","https://github.com/backstage/backstage/commit/2d5d3e77d630455d6d48cfa8f31fd3c126fd6f29","https://github.com/backstage/backstage/releases/tag/v1.54.1"],"weaknesses":["CWE-754","CWE-863"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106562.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106562","state":"PUBLISHED","datePublished":"2026-10-07T14:54:13.183Z","dateUpdated":"2026-10-07T16:14:59.044Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-06T20:31:59.017Z"},"containers":{"cna":{"title":"Backstage: Incorrect authorization in search engine permission filtering","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"backstage","product":"backstage","versions":[{"version":"< 1.54.1","status":"affected"}]},{"vendor":"@backstage","product":"plugin-search-backend","versions":[{"version":"< 2.1.6","status":"affected"}]},{"vendor":"@backstage","product":"plugin-search-backend-module-elasticsearch","versions":[{"version":"< 1.8.7","status":"affected"}]}],"references":[{"url":"https://github.com/backstage/backstage/security/advisories/GHSA-9325-vq29-gp3v","name":"https://github.com/backstage/backstage/security/advisories/GHSA-9325-vq29-gp3v","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/backstage/backstage/commit/2d5d3e77d630455d6d48cfa8f31fd3c126fd6f29","name":"https://github.com/backstage/backstage/commit/2d5d3e77d630455d6d48cfa8f31fd3c126fd6f29","tags":["x_refsource_MISC"]},{"url":"https://github.com/backstage/backstage/releases/tag/v1.54.1","name":"https://github.com/backstage/backstage/releases/tag/v1.54.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","lang":"en","description":"CWE-754: Improper Check for Unusual or Exceptional Conditions","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-07T14:54:13.183Z"},"source":{"advisory":"GHSA-9325-vq29-gp3v","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T16:14:40.675570Z","id":"CVE-2026-106562","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-07T16:14:59.044Z"}}]}}}