Is CVE-2026-106507 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-106507 being exploited in the wild.

How severe is CVE-2026-106507?

Medium severity, with a CVSS score of 5.3, published 6 October 2026.

Which products and versions are affected?

Backstage Plugin-Techdocs-Node before 1.15.4.

Is there a fix for CVE-2026-106507?

Yes: fixed in 1.15.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-106507 attacked?

It is attacked over the network.

Am I affected by CVE-2026-106507?

Check whether you run Backstage Plugin-Techdocs-Node at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-106507: Backstage plugin-techdocs-node arbitrary file read in mkdocs snippets

CVE-2026-106507 · Severity: medium · CVSS 5.3 · Published 2026-10-06

Backstage is a framework for building internal developer portals and documentation systems. The TechDocs plugin contains a path traversal vulnerability that allows authenticated users who can register documentation sources to read files outside the intended documentation directory, potentially exposing sensitive files accessible to the build process. This could lead to exposure of credentials, configuration files, or other sensitive data stored on the documentation build server.

Technologies: Backstage Plugin-Techdocs-Node. Vendors: Backstage.

Quick answers

Is CVE-2026-106507 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-106507 being exploited in the wild.
How severe is CVE-2026-106507?: Medium severity, with a CVSS score of 5.3, published 6 October 2026.
Which products and versions are affected?: Backstage Plugin-Techdocs-Node before 1.15.4.
Is there a fix for CVE-2026-106507?: Yes: fixed in 1.15.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-106507 attacked?: It is attacked over the network.
Am I affected by CVE-2026-106507?: Check whether you run Backstage Plugin-Techdocs-Node at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 1.15.4

Technical details

The @backstage/plugin-techdocs-node package prior to 1.15.4 has unsafe path resolution in TechDocs source tree handling, allowing directory traversal via symlinks in mkdocs snippet configuration. An authenticated attacker with documentation source registration privileges can craft a documentation source with symlinks pointing outside the source directory, bypassing validation and reading arbitrary files. The fix rejects source trees containing symlinks that resolve outside the source directory.

Affected products

Backstage plugin-techdocs-node before 1.15.4

Timeline

2026-10-06: disclosed
2026-08-24: patched

References

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