{"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_01M5KFFAWW39ZT24CC5DEQ3SR7","modified_at":"2026-09-10T03:50:49.442249208Z","published_at":"2026-06-04T14:33:35Z","references":["https://osv.dev/vulnerability/GHSA-fh3h-vg37-cc95","https://github.com/Pylons/webob/security/advisories/GHSA-fh3h-vg37-cc95","https://github.com/Pylons/webob/security/advisories/GHSA-mg3v-6m49-jhp3","https://nvd.nist.gov/vuln/detail/CVE-2026-44889","https://github.com/Pylons/webob/commit/1f681a4f17fc10777ef861e8b43ecb26053bc539","https://github.com/Pylons/webob/commit/2b9fbedafb31180c910cf8526e9ea72b4603d0bc","https://github.com/Pylons/webob","https://github.com/Pylons/webob/releases/tag/1.8.10","https://github.com/pypa/advisory-database/tree/main/vulns/webob/PYSEC-2026-251.yaml"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-fh3h-vg37-cc95","url":"https://osv.dev/vulnerability/GHSA-fh3h-vg37-cc95"}],"summary":"WebOb: Location header normalization during redirect leads to open redirect - again"}