{"action":"Upgrade py7zr to 1.1.3 or later.","affected":[{"fixed":"1.1.3","introduced":"0"}],"component":"py7zr","cve_ids":["CVE-2026-55195"],"ecosystem":"PyPI","epss":0.00321,"exploited":false,"fixed_versions":["1.1.3"],"ghsa_id":"GHSA-gjrg-mpp7-g774","id":"tcs_01M5KH2NHYCH2HWYHYBEZ8RW6C","modified_at":"2026-07-13T16:32:08.003703054Z","published_at":"2026-07-13T15:46:22.219693Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2972","https://github.com/miurahr/py7zr/security/advisories/GHSA-gjrg-mpp7-g774","https://github.com/miurahr/py7zr","https://github.com/miurahr/py7zr/releases/tag/v1.1.3","https://pypi.org/project/py7zr","https://github.com/advisories/GHSA-gjrg-mpp7-g774","https://nvd.nist.gov/vuln/detail/CVE-2026-55195"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"PYSEC-2026-2972","url":"https://osv.dev/vulnerability/PYSEC-2026-2972"},{"source":"nvd","source_id":"CVE-2026-55195","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55195"}],"summary":"py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size"}