{"action":"Upgrade webob to 1.8.10 or later.","affected":[{"fixed":"1.8.10","introduced":"0"}],"component":"webob","cve_ids":["CVE-2026-44889"],"ecosystem":"PyPI","epss":0.00269,"exploited":false,"fixed_versions":["1.8.10"],"ghsa_id":"GHSA-fh3h-vg37-cc95","id":"tcs_01M5KGZXFE0QJ4A17HY0XD6M8Y","modified_at":"2026-06-27T11:15:06.802750750Z","published_at":"2026-06-22T22:16:46.350Z","references":["https://osv.dev/vulnerability/PYSEC-2026-251","https://github.com/Pylons/webob/security/advisories/GHSA-fh3h-vg37-cc95"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-251","url":"https://osv.dev/vulnerability/PYSEC-2026-251"}],"summary":"WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an open redirect: WebOb joins the redirect tar"}