Patch Forecast
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CVE-2026-106560 · GHSA-2cmg-v53w-8xfp

Backstage: Improper repository path validation in a Scaffolder backend module

Risk score
49/100
CVSS
6.5 v3.1
Exploit chance (30 days)
0.3%
Published
7 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
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 repository path validation in a scaffolder backend module. An authenticated user who can execute an affected template and control its re…
Affected
@backstage/plugin-scaffolder-backend-module-confluence-to-markdown (npm) < 0.3.25
Fix
Upgrade @backstage/plugin-scaffolder-backend-module-confluence-to-markdown to 0.3.25 or later.
Exploitation
No known exploitation

Story map

Story map: @backstage/plugin-scaffolder-backend-module-confluence-to-markdownTHE FLAWSTHE FIXCVE-2026-106560Backstage: Improperrepository path validation in aScaffolder backend moduleCVSS 6.5 · EPSS 0%CVE-2026-106559Backstage: Improper inputvalidation in Confluence toMarkdown scaffolder moduleCVSS 6.5 · EPSS 0%Upgrade…0.3.25or later on your release lineWho is exposed@backstage/plugin-scaffolder-backend-module-confluence-to-markdown (npm) < 0.3.25YELLOW · PLAN IT IN@backstage/plugin-scaffolder-ba…Backstage is an open frameworkfor building developer portals.Prior to 0.3.25, the@backstage/plugin-scaffolder-backend-module-confluence-to-markdown package is affected byimproper input validation in…Where it standsNo known exploitationCONNECTS TOSame weaknessPath traversal (CWE-22)398 other warnings in 30 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

@backstage/plugin-scaffolder-backend-module-confluence-to-markdown: Yellow, plan it in. 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 mod…

The flaws

  • CVE-2026-106560: Backstage: Improper repository path validation in a Scaffolder backend module (CVSS 6.5 · EPSS 0%)
  • CVE-2026-106559: Backstage: Improper input validation in Confluence to Markdown scaffolder module (CVSS 6.5 · EPSS 0%)

The fix

Upgrade @backstage/plugin-scaffolder-backend-module-confluence-to-markdown: 0.3.25 or later on your release line

Who is exposed: @backstage/plugin-scaffolder-backend-module-confluence-to-markdown (npm) < 0.3.25

Where it stands

  • No known exploitation

Connects to

Why it is Yellow

  • CVSS 6.5 medium
  • On your watchlist: npm

Affected packages

PackageEcosystemVulnerableFixed in
@backstage/plugin-scaffolder-backend-module-confluence-to-markdownnpm< 0.3.250.3.25

References

Original description

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 repository path validation in a scaffolder backend module. An authenticated user who can execute an affected template and control its repository file location may cause generated content to be written outside the task workspace, within locations writable by the Backstage backend process. This issue is fixed in version 0.3.25.

Last activity 7 Oct 2026. Patch Forecast updates every hour.