{"action":"Upgrade cleo to 2.0.0 or later.","affected":[{"fixed":"2.0.0","introduced":"1.0.0a1"}],"component":"cleo","cve_ids":["CVE-2022-42966"],"ecosystem":"PyPI","epss":0.00992,"exploited":false,"fixed_versions":["2.0.0"],"ghsa_id":"GHSA-2p9h-ccw7-33gf","id":"tcs_01M5KESYCV8ZM1J36XNP9K1VDC","modified_at":"2026-07-02T20:45:17.823989170Z","published_at":"2022-11-10T12:01:17Z","references":["https://osv.dev/vulnerability/GHSA-2p9h-ccw7-33gf","https://nvd.nist.gov/vuln/detail/CVE-2022-42966","https://github.com/python-poetry/cleo/pull/285","https://github.com/python-poetry/cleo/commit/b5b9a04d2caf58bf7cf94eb7ae4a1ebbe60ea455","https://github.com/advisories/GHSA-2p9h-ccw7-33gf","https://github.com/pypa/advisory-database/tree/main/vulns/cleo/PYSEC-2022-43178.yaml","https://github.com/python-poetry/cleo","https://github.com/python-poetry/cleo/releases/tag/2.0.0","https://research.jfrog.com/vulnerabilities/cleo-redos-xray-257186"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-2p9h-ccw7-33gf","url":"https://osv.dev/vulnerability/GHSA-2p9h-ccw7-33gf"}],"summary":"cleo is vulnerable to Regular Expression Denial of Service (ReDoS)"}