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CVE-2026-106510

7.7 · HIGH

Backstage is an open framework for building developer portals.

Published Oct 7, 2026linuxfoundationCWE-183EPSS 0.48%

Overview

CVE-2026-106510 is a high-severity vulnerability affecting linuxfoundation backstage_plugin-techdocs-node. It was published on October 7, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.

Remediation

Check the references section for vendor advisories and patches from linuxfoundation. Update backstage_plugin-techdocs-node to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxfoundationbackstage_plugin-techdocs-node>= 0, < 1.14.6Affected
linuxfoundationbackstage>= 0, < 1.50.5Affected

References

GitHubgithub.com/backstage/backstage/commit/02cd7cdbb18b687446277b5602adaee7f1d53cbbGitHubgithub.com/backstage/backstage/commit/a900a9953c8f7ad3ba1906d1d257725a9996cc9dGitHubgithub.com/backstage/backstage/releases/tag/v1.50.5GitHubgithub.com/backstage/backstage/releases/tag/v1.54.6GitHubgithub.com/backstage/backstage/security/advisories/GHSA-4488-j8vj-vqqv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-106510?

CVE-2026-106510 is a high-severity vulnerability affecting linuxfoundation backstage_plugin-techdocs-node. It was published on October 7, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-106510?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-106510?

Check the references section for vendor advisories and patches from linuxfoundation. Update backstage_plugin-techdocs-node to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-106510?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106510 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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