GitPython: Unguarded git option forwarding in Repo.init enables arbitrary command execution via --template clone hooks

SummaryRepo.init forwards kwargs verbatim to git init with no unsafe-option guard and no allowunsafeoptions parameter. git init --template= copies /hooks/ into the new repo's .git/hooks, so an attacker-controlled template kwarg plants a hook that executes on the next git operation → arbitrary cod...

gitpython: GitPython: Remote Code Execution via malicious Git template

A flaw was found in GitPython. An incomplete denylist in the unsafegitcloneoptions function fails to restrict the --template option. This allows a remote attacker to supply a malicious Git template directory, leading to arbitrary command execution during clone operations...

CVE-2026-73623

A flaw was found in GitPython. An incomplete denylist in the unsafegitcloneoptions function fails to restrict the --template option. This allows a remote attacker to supply a malicious Git template directory, leading to arbitrary command execution during clone operations...

PYSEC-2026-3952

GitPython before 3.1.54 contains an incomplete denylist in unsafegitcloneoptions that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute...

CVE-2026-73623

GitPython before 3.1.54 contains an incomplete denylist in unsafegitcloneoptions that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute...

CVE-2026-73623 GitPython before 3.1.54 Remote Code Execution via --template

GitPython before 3.1.54 contains an incomplete denylist in unsafegitcloneoptions that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute...

Linux Distros Unpatched Vulnerability : CVE-2020-14001

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as...

SUSE CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

OESA-2021-1280 rubygem-kramdown security update

kramdown is yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions. Security Fixes: The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access su...

Debian DLA-2316-1 : ruby-kramdown security update

ruby-kramdown processes the template option inside Kramdown documents by default, which allows unintended read access such as template='/etc/passwd' or unintended embedded Ruby code execution such as a string that begins with template='string://%= . NOTE: kramdown is used in Jekyll, GitLab Pages,...

Unintended read access in kramdown gem

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

Remote Code Execution (RCE)

Overview kramdown is a Yet-another-markdown-parser but fast, pure Ruby, using a strict syntax definition and supporting several common extensions. Affected versions of this package are vulnerable to Remote Code Execution RCE. The gem processes the template option inside Kramdown documents by...

CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

DEBIAN-CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

UBUNTU-CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

Remote code execution

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

CVE-2020-14001

The vulnerability CVE-2020-14001 affects the kramdown Ruby gem prior to 2.3.0, where the template option is processed by default in Kramdown documents. This can allow unintended read access (e.g., template="/etc/passwd") or unintended embedded Ruby code execution (e.g., template="string://<%= ...

CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...

CVE-2020-14001

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as template="/etc/passwd" or unintended embedded Ruby code execution such as a string that begins with template="string://%= . NOTE: kramdown is used...