GHSA-75qf-886x-5xf2: Path Traversal

Published Oct 7, 2026
·
Updated

Impact

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.

Patches

Patched in @backstage/plugin-scaffolder-backend-module-confluence-to-markdown version 0.3.25

Workarounds

If unable to update immediately:

- Restrict Confluence edit access to trusted users. - Review Confluence page content before running scaffolder templates against untrusted pages.

Affected Software

1 affected componentFixes available
npm/@backstage/plugin-scaffolder-backend-module-confluence-to-markdown<0.3.25
0.3.25

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade npm/@backstage/plugin-scaffolder-backend-module-confluence-to-markdown to a version that resolves this vulnerability.

    Fixed in 0.3.25
  2. Upgrade

    Upgrade @backstage/plugin-scaffolder-backend-module-confluence-to-markdown to a version that resolves this vulnerability.

    Fixed in 0.3.25
  3. Compensating control

    Restrict Confluence edit access to trusted users.

  4. Compensating control

    Review Confluence page content before running scaffolder templates against untrusted pages.

Event History

Oct 7, 2026
Advisory Published
via GitHub·06:03 PM
Data Sourced
via GitHub·06:03 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

Who is exposed to this issue?

Backstage deployments using the Confluence to Markdown scaffolder module are exposed when users can run templates that process Confluence content influenced by an attacker. The attacker must be able to influence that Confluence content, such as through page editing access.

2

What access and interaction are required for exploitation?

Exploitation requires a Backstage user to run a scaffolder template against attacker-influenced Confluence content. The CVSS vector indicates network reachability, low attack complexity, low privileges, and user interaction.

3

Which version contains the fix?

The issue is patched in @backstage/plugin-scaffolder-backend-module-confluence-to-markdown version 0.3.25.

4

What can be done if updating is not immediately possible?

Restrict Confluence edit access to trusted users. Review Confluence page content before running scaffolder templates against pages that may be untrusted.

Contact

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