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SCA: security update for @backstage/plugin-search-backend, @backstage/plugin-search-backend-module-elasticsearch (GHSA-9325-vq29-gp3v)

medium Tenable Self-Hosted Container Security Plugin ID 473651

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-106562)

Solution

Update the @backstage/plugin-search-backend-module-elasticsearch library and its related packages to version 1.8.7 or later.

See Also

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

Plugin Details

Severity: Medium

ID: 473651

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS Score Source: CVE-2026-106562

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2026

Vulnerability Publication Date: 10/7/2026

Reference Information

CVE: CVE-2026-106562