CVE-2026-23968

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

CVE-2026-23986

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

BIT-NODE-MIN-2025-55130

A flaw in Node.js’s Permissions model allows attackers to bypass --allow-fs-read and --allow-fs-write restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files...

BIT-NODE-2025-55130

A flaw in Node.js’s Permissions model allows attackers to bypass --allow-fs-read and --allow-fs-write restrictions using crafted relative symlink paths. By chaining directories and symlinks, a script granted access only to the current directory can escape the allowed path and read sensitive files...

PT-2026-4827

Name of the Vulnerable Software and Affected Versions pnpm versions prior to 10.28.2 Description pnpm, a package manager, is affected by an issue where installing a file: or git: dependency allows it to follow symlinks and read their target contents without restricting them to the package root. A...

OESA-2026-1218 nodejs security update

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices...

UBUNTU-CVE-2026-23954

Incus is a system container and virtual machine manager. Versions 6.21.0 and below allow a user with the ability to launch a container with a custom image e.g a member of the ‘incus’ group to use directory traversal or symbolic links in the templating functionality to achieve host arbitrary file...

CVE-2026-23954

Incus CVE-2026-23954 affects versions 6.21.0 and below. The issue arises when launching a container with a custom image (e.g., incus group member) using templating in metadata.yaml, where directory traversal or symbolic links in source/target paths are not checked, enabling host arbitrary file re...

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-2026-24047

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-2026-23968

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

CVE-2026-23986

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

UNIX Symbolic Link (Symlink) Following

Overview copier is an A library for rendering project templates. Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following via the symlink resolution process in safe templates when preservesymlinks is set to true. An attacker can overwrite arbitrary files 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...

GHSA-2P49-45HJ-7MC9 @backstage/cli-common has a possible `resolveSafeChildPath` Symlink Chain Bypass

Impact The resolveSafeChildPath utility function in @backstage/backend-plugin-api, which is used to prevent path traversal attacks, failed to properly validate symlink chains and dangling symlinks. An attacker could bypass the path validation by: 1. Symlink chains: Creating link1 → link2 → /outsi...

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

Impact The resolveSafeChildPath utility function in @backstage/backend-plugin-api, which is used to prevent path traversal attacks, failed to properly validate symlink chains and dangling symlinks. An attacker could bypass the path validation by: 1. Symlink chains: Creating link1 → link2 → /outsi...

CVE-2026-23986

CVE-2026-23986 affects Copier (library and CLI). A safe template can still write outside the destination when using a symlink and _preserve_symlinks: true, enabling a malicious template to overwrite arbitrary files within the user’s write permissions. This risk exists prior to version 9.11.2 and ...

CVE-2026-23986 Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

CVE-2026-23986 Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...

CVE-2026-23986 Copier safe template has arbitrary filesystem write access via directory symlinks when _preserve_symlinks: true

Copier is a library and CLI app for rendering project templates. Prior to version 9.11.2, Copier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it...