{"action":"Upgrade py7zr to 1.1.3 or later.","affected":[{"fixed":"1.1.3","introduced":"0"}],"component":"py7zr","cve_ids":["CVE-2026-23879"],"ecosystem":"PyPI","epss":0.00498,"exploited":false,"fixed_versions":["1.1.3"],"ghsa_id":"GHSA-q6rc-2cgv-63h7","id":"tcs_01M5KFVGJ7JTJ5QA0W1TK34SBD","modified_at":"2026-07-21T13:30:33.266395189Z","published_at":"2026-06-19T19:21:57Z","references":["https://osv.dev/vulnerability/GHSA-q6rc-2cgv-63h7","https://github.com/miurahr/py7zr/security/advisories/GHSA-q6rc-2cgv-63h7","https://nvd.nist.gov/vuln/detail/CVE-2026-23879","https://github.com/advisories/GHSA-q6rc-2cgv-63h7","https://github.com/miurahr/py7zr","https://github.com/miurahr/py7zr/releases/tag/v1.1.3","https://github.com/pypa/advisory-database/tree/main/vulns/py7zr/PYSEC-2026-2974.yaml","https://pypi.org/project/py7zr"],"severity":{"label":"high","score":8},"sources":[{"source":"osv","source_id":"GHSA-q6rc-2cgv-63h7","url":"https://osv.dev/vulnerability/GHSA-q6rc-2cgv-63h7"}],"summary":"py7zr: Arbitrary File Write Vulnerability"}