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black

3 known vulnerabilities.

black at a glance

Last 12 months
3
Critical · all time
0
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
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3 results · Feed

  • High 8.7

    Black: GitHub Action installs unvalidated required-version from pyproject.toml

    Black is the uncompromising Python code formatter. Prior to 26.10.1, the Black GitHub Action with use_pyproject: true accepts tool.black.required-version from pyproject.toml without validating that it is a released Black version specifier. An attacker who can…

  • High 8.7

    Black: Arbitrary file writes from unsanitized user input in cache file name

    Black is the uncompromising Python code formatter. Starting in version 24.3.0 and prior to version 26.3.1, Black writes a cache file, the name of which is computed from various formatting options. The value of the --python-cell-magics option was placed in the…

  • High 8.7
    CVE-2026-31900 Public exploit

    Black's vulnerable version parsing leads to RCE in GitHub Action

    Black is the uncompromising Python code formatter. Black provides a GitHub action for formatting code. This action supports an option, use_pyproject: true, for reading the version of Black to use from the repository pyproject.toml. A malicious pull request co…