Detections
Analytics

SCA: security update for @backstage/plugin-scaffolder-backend (GHSA-4xvq-3m68-h444)

medium Tenable Cloud Security Plugin ID 473704

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 4.1.0, the @backstage/plugin-
 scaffolder-backend package is affected by sensitive information exposure in scaffolder task logs. An
 authenticated user who can create and read scaffolder tasks may be able to observe sensitive values in
 task logs in deployments with restrictive action permissions and affected templates. Exploitation requires
 a denied action whose input contains such a value. This issue is fixed in version 4.1.0. (CVE-2026-106504)

Solution

Update the @backstage/plugin-scaffolder-backend library and its related packages to version 4.1.0 or later.

See Also

https://github.com/advisories/GHSA-4xvq-3m68-h444

Plugin Details

Severity: Medium

ID: 473704

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-106504

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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: 10/6/2026

Reference Information

CVE: CVE-2026-106504

cwe: CWE-532