{"action":"Upgrade urllib to 2.44.1 or later.","affected":[{"fixed":"4.9.1","introduced":"3.0.0"},{"fixed":"2.44.1","introduced":"0"}],"component":"urllib","cve_ids":["CVE-2026-55553"],"ecosystem":"npm","epss":0.0066,"exploited":false,"fixed_versions":["4.9.1","2.44.1"],"ghsa_id":"GHSA-hq3h-g68c-hp78","id":"tcs_01M5KFVSJ5GM7E5KR2TJ9PM42S","modified_at":"2026-08-25T23:49:20.860574642Z","published_at":"2026-08-25T16:19:32Z","references":["https://osv.dev/vulnerability/GHSA-hq3h-g68c-hp78","https://github.com/node-modules/urllib/security/advisories/GHSA-hq3h-g68c-hp78","https://github.com/node-modules/urllib/pull/812","https://github.com/node-modules/urllib/pull/813","https://github.com/node-modules/urllib/commit/7c86c465883ebd3dea5109c87d7bbe3b00960a16","https://github.com/node-modules/urllib/commit/811a8d56e64e540bf6a19bf8b3737692f05d5c46","https://github.com/node-modules/urllib","https://github.com/node-modules/urllib/releases/tag/v2.44.1","https://github.com/node-modules/urllib/releases/tag/v4.9.1"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-hq3h-g68c-hp78","url":"https://osv.dev/vulnerability/GHSA-hq3h-g68c-hp78"}],"summary":"urllib's cross-origin redirects preserve credential-bearing request headers, leading to potential credential leakage"}