CVE-2026-25152 @backstage/plugin-techdocs-node vulnerable to possible Path Traversal in TechDocs Local Generator

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, a path traversal vulnerability in the TechDocs local generator allow...

CVE-2026-25153 @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, when TechDocs is configured with runIn: local, a malicious actor who...

CVE-2026-25153 @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, when TechDocs is configured with runIn: local, a malicious actor who...

CVE-2026-25153 @backstage/plugin-techdocs-node vulnerable to arbitrary code execution via MkDocs hooks

Backstage is an open framework for building developer portals, and @backstage/plugin-techdocs-node provides common node.js functionalities for TechDocs. In versions of @backstage/plugin-techdocs-node prior to 1.13.11 and 1.14.1, when TechDocs is configured with runIn: local, a malicious actor who...

CVE-2026-25153

In CVE-2026-25153, versions of @backstage/plugin-techdocs-node before 1.13.11 and before 1.14.1 are vulnerable when TechDocs runs with runIn: local. A malicious actor who can submit or modify a repository’s mkdocs.yml can cause arbitrary Python code execution on the TechDocs build server via MkDo...

Backstage Code Injection Vulnerability

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Versions of Backstage prior to 1.13.11 and 1.14.1 contained a code injection vulnerability. This vulnerability stemmed from the ability to configure malicious hooks in the...

Backstage path traversal vulnerability

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Versions of Backstage prior to 1.13.11 and 1.14.1 contained a path traversal vulnerability. This vulnerability stemmed from the local generator’s inability to prevent path...

PT-2026-5463

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.13.11 and versions prior to 1.14.1 Description Backstage’s @backstage/plugin-techdocs-node component, used for TechDocs, is susceptible to remote code execution. When TechDocs is configured to run locally runIn:...

PT-2026-5494

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 1.13.11 and 1.14.1 Description Backstage is a framework for building developer portals, and @backstage/plugin-techdocs-node provides functionalities for TechDocs. A path traversal issue exists in the TechDocs local...

CVE-2026-24046

A flaw was found in Backstage. A symlink-based path traversal issue can be exploited in multiple Scaffolder actions and archive extraction utilities during template execution via malicious symlinks. An attacker with access to create and execute Scaffolder templates can read sensitive files, delet...

CVE-2026-24046

Backstage is an open framework for building developer portals. 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 read arbitrary files vi...

CVE-2026-24048

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

CVE-2026-24048 Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

CVE-2026-24048

CVE-2026-24048 affects Backstage FetchUrlReader in @backstage/backend-defaults prior to v0.12.2, v0.13.2, v0.14.1, and v0.15.0. The component would follow HTTP redirects, enabling an attacker who controls a host in backend.reading.allow to redirect requests to internal/sensitive URLs outside the ...

CVE-2026-24048

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

CVE-2026-24048 Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

CVE-2026-24048 Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Backstage is an open framework for building developer portals, and @backstage/backend-defaults provides the default implementations and setup for a standard Backstage backend app. Prior to versions 0.12.2, 0.13.2, 0.14.1, and 0.15.0, the FetchUrlReader component, used by the catalog and other...

Server-side Request Forgery (SSRF)

Overview @backstage/backend-defaults is a Backend defaults used by Backstage backend apps Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the FetchUrlReader component that automatically follows HTTP redirects. An attacker can access internal or sensitive...

EUVD-2026-4136

Backstage has a Possible SSRF when reading from allowed URL's in backend.reading.allow...

Backstage has a Possible SSRF when reading from allowed URL's in `backend.reading.allow`

Impact The FetchUrlReader component, used by the catalog and other plugins to fetch content from URLs, followed HTTP redirects automatically. This allowed an attacker who controls a host listed in backend.reading.allow to redirect requests to internal or sensitive URLs that are not on the...