GHSA-XJHM-GP88-8PFX Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false

Impact 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 turns out, a safe template can currently include arbitrary files/directories outsid...

Copier safe template has arbitrary filesystem read access via symlinks when _preserve_symlinks: false

Impact 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 turns out, a safe template can currently include arbitrary files/directories outsid...

Copier security vulnerabilities

Copier is an open-source library used for rendering project templates by Copier. Versions of Copier prior to 9.11.2 contained a security vulnerability. This vulnerability stemmed from the use of symbolic links and certain settings, which could lead to writing into directories outside of the targe...

PT-2026-3872

Name of the Vulnerable Software and Affected Versions Copier versions prior to 9.11.2 Description Copier, a library and CLI app for rendering project templates, allows a malicious template author to overwrite arbitrary files. This occurs because a safe template can write to directories outside th...

Copier security vulnerabilities

Copier is an open-source library used for rendering project templates by Copier. Versions of Copier prior to 9.11.2 contained security vulnerabilities. These vulnerabilities stemmed from the use of symbolic links and default settings, which could lead to the inclusion of files or directories...

PT-2026-3871

Name of the Vulnerable Software and Affected Versions Copier versions prior to 9.11.2 Description Copier, a library and CLI app for rendering project templates, exhibited a flaw where it incorrectly identified templates as safe, even if they contained arbitrary files and directories outside the...

CVE-2022-0503

The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.2 does not sanitise and escape the s parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in the network dashboard...

MAL-2025-190984 Malicious code in parcel-plugin-asset-copier (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 344955077c61592ec46c29550b12878886b0b61f3a7c84e050d6d25756f60bf2 The package parcel-plugin-asset-copier was found to contain malicious code. Source: ghsa-malware...

EUVD-2025-199059

Malicious code in parcel-plugin-asset-copier npm...

Malicious code in parcel-plugin-asset-copier (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 344955077c61592ec46c29550b12878886b0b61f3a7c84e050d6d25756f60bf2 The package parcel-plugin-asset-copier was found to contain malicious code. Source: ghsa-malware...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. This package contains malicious code associated with the Sha1-hulud supply chain attack, and its content was removed from the official package manager. The malware functions as a self-replicating worm capable of...

EUVD-2025-25131

Malicious code in bioql PyPI...

EUVD-2025-25132

Malicious code in bioql PyPI...

EUVD-2025-8432

Malicious code in bioql PyPI...

EUVD-2024-37525

Malicious code in bioql PyPI...

BIT-JUPYTERLAB-2024-39700 Remote Code Execution (RCE) vulnerability in jupyterlab extension template `update-integration-tests` GitHub Action

JupyterLab extension template is a copier template for JupyterLab extensions. Repositories created using this template with test option include update-integration-tests.yml workflow which has an RCE vulnerability. Extension authors hosting their code on GitHub are urged to upgrade the template to...

ASoC: SOF: ipc4-topology: Harden loops for looking up ALH copiers

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CVE-2025-55214

Copier library and CLI app for rendering project templates. From 7.1.0 to before 9.9.1, 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-2025-55201

Copier library and CLI app for rendering project templates. Prior to 9.9.1, a safe template can currently read and write arbitrary files because Copier exposes a few pathlib.Path objects in the Jinja context which have unconstrained I/O methods. This effectively renders the security model w.r.t...

Copier's safe template has filesystem write access outside destination path

Impact 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 turns out, a safe template can currently write files outside the destination path...