GHSA-Q2X5-4XJX-C6P9 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...

CVE-2026-24047

Backstage is an open framework for building developer portals, and @backstage/cli-common provides config loading functionality used by the backend and command line interface of Backstage. Prior to version 0.1.17, the resolveSafeChildPath utility function in @backstage/backend-plugin-api, which is...

CVE-2026-24047

CVE-2026-24047 affects Backstage: @backstage/cli-common relies on resolveSafeChildPath in @backstage/backend-plugin-api, which before v0.1.17 failed to validate symlink chains and dangling symlinks. This allowed path traversal via symlink chains (e.g., link1 → link2 → /outside) and dangling symli...

CVE-2026-24047 @backstage/cli-common has a possible `resolveSafeChildPath` Symlink Chain Bypass

Backstage is an open framework for building developer portals, and @backstage/cli-common provides config loading functionality used by the backend and command line interface of Backstage. Prior to version 0.1.17, the resolveSafeChildPath utility function in @backstage/backend-plugin-api, which is...

EUVD-2026-4138

@backstage/cli-common has a possible resolveSafeChildPath Symlink Chain Bypass...

UNIX Symbolic Link (Symlink) Following

Overview @backstage/backend-plugin-api is a Core API used by Backstage backend plugins Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following in the resolveSafeChildPath function, which relies on resolveRealPath. An attacker can access sensitive files outside the...

Symlink Attack

Overview @backstage/plugin-scaffolder-backend is a The Backstage backend plugin that helps you create new things Affected versions of this package are vulnerable to Symlink Attack via multiple actions, including debug:log, fs:delete, and archive extraction. A user who create and execute Scaffolde...

EUVD-2026-4137

Backstage has a Possible Symlink Path Traversal in Scaffolder Actions...

Symlink Attack

Overview @backstage/plugin-scaffolder-node is a The plugin-scaffolder-node module for @backstage/plugin-scaffolder-backend Affected versions of this package are vulnerable to Symlink Attack via multiple actions, including debug:log, fs:delete, and archive extraction. A user who create and execute...

Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

Impact 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: 1. Read arbitrary files via the debug:log action by creating a symlink pointin...

GHSA-RQ6Q-WR2Q-7PGP Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

Impact 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: 1. Read arbitrary files via the debug:log action by creating a symlink pointin...

Symlink Attack

Overview @backstage/backend-defaults is a Backend defaults used by Backstage backend apps Affected versions of this package are vulnerable to Symlink Attack via multiple actions, including debug:log, fs:delete, and archive extraction. A user who create and execute Scaffolder templates can read,...

CVE-2026-24046

Backstage CVE-2026-24046 describes a symlink-based path traversal in multiple Scaffolder actions and archive extraction utilities. The vulnerability can allow reading arbitrary files (via debug:log), deleting files outside the workspace (via fs:delete), and writing outside the workspace during ar...

CVE-2026-24046 Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

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-2026-24046 Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

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-2026-24046 Backstage has a Possible Symlink Path Traversal in Scaffolder Actions

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...

Backstage Code Issues and Vulnerabilities

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Versions of Backstage prior to 0.12.2, 0.13.2, 0.14.1, and 0.15.0 contained code vulnerabilities. These vulnerabilities stemmed from the FetchUrlReader component’s automat...

PT-2026-3880

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...

Backstage security vulnerabilities

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Backstage has a security vulnerability that stems from the resolveSafeChildPath utility function not properly verifying symbolic link chains and floating symbolic links,...

Backstage Backlink Vulnerability

Backstage is an open-source application developed by Backstage. It serves as an open platform for building developer portals. Backstage has a postback link vulnerability, which stems from multiple Scaffolder operations and archive extraction tools being susceptible to path traversal attacks based...