CVE-2026-106562

MediumCVSS 4.3/10Last modified Oct 16, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-754CWE-863

Affected software

VendorProductVersions
backstagebackstage< 1.54.1
@backstageplugin-search-backend< 2.1.6
@backstageplugin-search-backend-module-elasticsearch< 1.8.7

References

Timeline

Published
Oct 7, 2026
Last modified
Oct 16, 2026
NVD status
Analyzed

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CVE-2026-106562: Medium severity, CVSS 4.3 | Vulnix