Detections
Analytics

SCA: security update for @backstage/plugin-scaffolder-backend-module-confluence-to-markdown (GHSA-75qf-886x-5xf2)

medium Tenable Self-Hosted Container Security Plugin ID 473711

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 0.3.25, the @backstage/plugin-
 scaffolder-backend-module-confluence-to-markdown package is affected by improper input validation in
 confluence to markdown scaffolder module. Insufficient input validation in the Confluence to Markdown
 scaffolder module could allow an attacker to influence file write operations during template execution.
 Exploitation requires a Backstage user to run a template that processes attacker-influenced Confluence
 content. This issue is fixed in version 0.3.25. (CVE-2026-106559)

Solution

Update the @backstage/plugin-scaffolder-backend-module-confluence-to-markdown library and its related packages to version 0.3.25 or later.

See Also

https://github.com/advisories/GHSA-75qf-886x-5xf2

Plugin Details

Severity: Medium

ID: 473711

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-106559

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

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

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-2026-106559