CVE-2026-106562 MEDIUM 4.3

Published: 2026-10-07 15:17:17 UTC · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Categories: Linux

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.

Weakness: CWE-754, CWE-863

Affected products

• cpe:2.3:a:linuxfoundation:backstage\/plugin-search-backend:*:*:*:*:*:node.js:*:*
• cpe:2.3:a:linuxfoundation:backstage\/plugin-search-backend-module-elasticsearch:*:*:*:*:*:node.js:*:*
• cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:*

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

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