---
id: CVE-2026-106562
title: Backstage is an open framework for building developer portals
summary: >-
  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 documen…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-754
  - CWE-863
vendor: backstage
product: backstage
affected:
  - backstage < 1.54.1
  - plugin-search-backend < 2.1.6
  - plugin-search-backend-module-elasticsearch < 1.8.7
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T17:16:51.323'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106562'
references:
  - url: >-
      https://github.com/backstage/backstage/commit/2d5d3e77d630455d6d48cfa8f31fd3c126fd6f29
    label: security-advisories@github.com
  - url: 'https://github.com/backstage/backstage/releases/tag/v1.54.1'
    label: security-advisories@github.com
  - url: >-
      https://github.com/backstage/backstage/security/advisories/GHSA-9325-vq29-gp3v
    label: security-advisories@github.com
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106562'
  - url: 'https://github.com/advisories/GHSA-9325-vq29-gp3v'
tags:
  - nvd
  - cve.org
  - ghsa
  - npm
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-07T16:14:40.675570Z'
ingestedAt: '2026-10-07T15:36:04.053Z'
aliases:
  - GHSA-9325-vq29-gp3v
ecosystem: npm
patched:
  - '@backstage/plugin-search-backend 2.1.6'
  - '@backstage/plugin-search-backend-module-elasticsearch 1.8.7'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-106562)

Affected packages:

- `@backstage/plugin-search-backend < 2.1.6`
- `@backstage/plugin-search-backend-module-elasticsearch < 1.8.7`

Patched in:

- `@backstage/plugin-search-backend 2.1.6`
- `@backstage/plugin-search-backend-module-elasticsearch 1.8.7`

Source: https://github.com/advisories/GHSA-9325-vq29-gp3v