fix(deps): update dependency @backstage/plugin-scaffolder-node to v0.11.2

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This PR contains the following updates:

Package	Change	Age	Confidence
@backstage/plugin-scaffolder-node (source)	0.11.0 → 0.11.2
@backstage/plugin-scaffolder-node (source)	^0.10.0 → ^0.11.0
@backstage/plugin-scaffolder-node (source)	^0.7.0 → ^0.11.0
@backstage/plugin-scaffolder-node (source)	^0.8.0 → ^0.11.0

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Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

CVE-2026-24046 / GHSA-rq6q-wr2q-7pgp

More information

Details

Impact

Multiple Scaffolder actions and archive extraction utilities were vulnerable to symlink-based path traversal attacks. An attacker with access to create and execute Scaffolder templates could exploit symlinks to:

1. Read arbitrary files via the debug:log action by creating a symlink pointing to sensitive files (e.g., /etc/passwd, configuration files, secrets)
2. Delete arbitrary files via the fs:delete action by creating symlinks pointing outside the workspace
3. Write files outside the workspace via archive extraction (tar/zip) containing malicious symlinks

This affects any Backstage deployment where users can create or execute Scaffolder templates.

Patches

This vulnerability is fixed in the following package versions:

• @backstage/backend-defaults version 0.12.2, 0.13.2, 0.14.1, 0.15.0
• @backstage/plugin-scaffolder-backend version 2.2.2, 3.0.2, 3.1.1
• @backstage/plugin-scaffolder-node version 0.11.2, 0.12.3

Users should upgrade to these versions or later.

Workarounds

• Follow the recommendation in the Backstage Threat Model to limit access to creating and updating templates
• Restrict who can create and execute Scaffolder templates using the permissions framework
• Audit existing templates for symlink usage
• Run Backstage in a containerized environment with limited filesystem access

References

• CWE-59: Improper Link Resolution Before File Access
• OWASP Path Traversal

Severity

• CVSS Score: 7.1 / 10 (High)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L

References

• https://github.com/backstage/backstage/security/advisories/GHSA-rq6q-wr2q-7pgp
• https://nvd.nist.gov/vuln/detail/CVE-2026-24046
• https://github.com/backstage/backstage/commit/c641c147ab371a9a8a2f5f67fdb7cb9c97ef345d
• https://github.com/backstage/backstage

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

backstage/backstage (@​backstage/plugin-scaffolder-node)

v0.11.2

Compare Source

Introduced new @backstage/plugin-catalog-react package, containing building blocks for frontend plugins that wish to interact with the catalog plugin.

v0.11.1

Compare Source

Patch Changes

• Updated dependencies
  • @​backstage/integration@​1.18.0
  • @​backstage/types@​1.2.2
  • @​backstage/backend-plugin-api@​1.4.3
  • @​backstage/plugin-scaffolder-common@​1.7.1

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