DEBIAN-CVE-2026-31900: black security update

DEBIAN-CVE-2026-31900, released March 11, 2026, fixes 1 CVE in black (version 26.3.1-1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0052

44th percentile

Fixed package versions

Product	Release	Fixed in
black	Debian 14	26.3.1-1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-31900	black: Black is the uncompromising Python code formatter	9.8	0.0052	None reported

Also fixes CVE-2026-31900

SUSE-SU-2026:20928-1
python-black on sles 16.0
OPENSUSE-SU-2026:20417-1
python-black on opensuse-leap 16.0

Vendor advisory

https://security-tracker.debian.org/tracker/CVE-2026-31900

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