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Fedora 44 python-black Important CVE Fixes for 2026

Linuxsecurity •LinuxSecurity Advisories • July 24, 2026

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Black is the uncompromising Python code formatter. By using it, you agree to

cease control over minutiae of hand-formatting. In return, Black gives you

speed, determinism, and freedom from pycodestyle nagging formatting.

You will save time and mental energy for more important matters.

Upgrade to 26.5.1, solves serious vulnerabilities such as: CVE-2026-31900 CVE-2026-32274

* Thu Jul 9 2026 Simone Tollardo - 26.5.1-1 - Update python-black to 26.5.1 - Fixes: rhbz#2396612 * Thu Jun 4 2026 Python Maint - 25.1.0-9 - Rebuilt for Python 3.15

Fedora Update Notification FEDORA-2026-3805ba3721 2026-07-24 00:56:22.694785+00:00 Name : python-black Product : Fedora 44 Version : 26.5.1 Release : 1.fc44 URL : Summary : The uncompromising code formatter Description : Black is the uncompromising Python code formatter. By using it, you agree to cease control over minutiae of hand-formatting. In return, Black gives you speed, determinism, and freedom from pycodestyle nagging formatting. You will save time and mental energy for more important matters.

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-3805ba3721' at the command line. For more information, refer to the dnf documentation available at

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical CVE Fixes for Fedora Python Packages Released Fedora has issued important security updates for two Python packages: python-lsp-black and python-black, addressing serious vulnerabilities identified as CVE-2026-31900 and CVE-2026-32274. These vulnerabilities could lead to privilege escalation and system-wide damage if exploited. Users are advised to upgrade to the latest versions—python-lsp-black to 2.0.0-17 and python-black to 26.5.1. The vulnerabilities were published earlier this year, with CVE-2026-31900 having a proof of concept released in April 2026. The updates are available through the dnf package manager, and users are urged to apply them promptly to mitigate risks. Both packages are part of Fedora 44 and are critical for Python development environments. 2 sources 72

Extracted Entities

CVEs (2)

CVE-2026-31900 CVE-2026-32274

Platforms (2)

Fedora 44 Linux