Skip to content
EXYS
Back to the CVEs

CVE-2026-106505

8.5, high

backstage Untrusted Search Path Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
8.5, high high CVSS v3.1
EPSS, next 30 days
0.3% higher than 22.4% of scored CVEs
Exploitation
No public evidence
Published
6 Oct 202611 days ago

Description

Backstage is an open framework for building developer portals. Prior to 1.14.6 and 1.15.4, the @backstage/plugin-techdocs-node package is affected by bypass of mkdocs configuration sanitizer in techdocs backend. Users with the ability to commit changes to a repository that uses TechDocs can circumvent the MkDocs configuration file sanitizer introduced in response to CVE-2026-25153 and execute arbitrary code on the TechDocs backend host during documentation generation. This issue is fixed in versions 1.14.6 and 1.15.4.

Details

Vendor
Backstage and 1 more
Product
backstage
Weakness
CWE-426 (opens in a new tab)
Status
Analyzed
Updated
9 Oct 2026
Assigner
security-advisories@github.com

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

References 5

Patches and fixes 4

Advisories 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Backstage CVEs

Every Backstage CVE we hold

Same vendor in what we hold, not a known link between the flaws.

Beyond this page

Is CVE-2026-106505 in your network?

This page tells you how dangerous CVE-2026-106505 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-106505 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.