{"action":"Upgrade urllib3 to 2.6.0 or later.","affected":[{"fixed":"2.6.0","introduced":"1.24"}],"component":"urllib3","cve_ids":["CVE-2025-66418"],"ecosystem":"PyPI","epss":0.00682,"exploited":false,"fixed_versions":["2.6.0"],"ghsa_id":"GHSA-gm62-xv2j-4w53","id":"tcs_01M5KFHWCBS8QT37RS1ARRV01D","modified_at":"2026-09-10T03:50:58.741847479Z","published_at":"2025-12-05T18:15:19Z","references":["https://osv.dev/vulnerability/GHSA-gm62-xv2j-4w53","https://github.com/urllib3/urllib3/security/advisories/GHSA-gm62-xv2j-4w53","https://nvd.nist.gov/vuln/detail/CVE-2025-66418","https://github.com/urllib3/urllib3/commit/24d7b67eac89f94e11003424bcf0d8f7b72222a8","https://github.com/urllib3/urllib3"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-gm62-xv2j-4w53","url":"https://osv.dev/vulnerability/GHSA-gm62-xv2j-4w53"}],"summary":"urllib3 allows an unbounded number of links in the decompression chain"}