{"action":"Upgrade black to 26.3.0 or later.","affected":[{"fixed":"26.3.0","introduced":"0"}],"component":"black","cve_ids":["CVE-2026-31900"],"ecosystem":"PyPI","epss":0.00477,"exploited":false,"fixed_versions":["26.3.0"],"ghsa_id":"GHSA-v53h-f6m7-xcgm","id":"tcs_01M5KGXK82TG712XSAQ43V7ASM","modified_at":"2026-07-13T07:15:15.712525536Z","published_at":"2026-03-11T20:16:15.960Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2120","https://github.com/psf/black/security/advisories/GHSA-v53h-f6m7-xcgm","https://github.com/psf/black/commit/0a2560b981364dde4c8cf8ce9d164c40669a8611"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-2120","url":"https://osv.dev/vulnerability/PYSEC-2026-2120"}],"summary":"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"}