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VULNERABILITIES

CVE-2026-106506 Details

Description

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by improper input validation in scaffolder task list ordering. An authenticated Backstage user with permission to create and read relevant scaffolder tasks may be able to infer confidential task data under specific conditions. Successful exploitation requires retained task secrets, visibility of a target task, knowledge of the secret structure, and repeated requests. This issue is fixed in version 4.1.0.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/backstage/backstage/commit/e673a869449874a9169e8f89852e75e862011b93 [email protected]
https://github.com/backstage/backstage/releases/tag/v1.54.6 [email protected]
https://github.com/backstage/backstage/security/advisories/GHSA-vwp5-f99x-x3rq [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-202Exposure of Sensitive Information Through Data Queries[email protected]
CWE-203Observable Discrepancy[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-106506
NVD Published Date:
Oct 6, 2026
NVD Last Modified:
Oct 7, 2026
Source:
[email protected]
CVE-2026-106506 Details - Not Deferred