{"action":"Upgrade microsoft-kiota-http to 1.9.9 or later.","affected":[{"fixed":"1.9.9","introduced":"0"}],"component":"microsoft-kiota-http","cve_ids":["CVE-2026-44503"],"ecosystem":"PyPI","epss":0.00642,"exploited":false,"fixed_versions":["1.9.9"],"ghsa_id":"GHSA-7j59-v9qr-6fq9","id":"tcs_01M5KF25G0502G7739VJXKJQ6B","modified_at":"2026-09-10T03:50:46.498025328Z","published_at":"2026-05-07T01:49:01Z","references":["https://osv.dev/vulnerability/GHSA-7j59-v9qr-6fq9","https://github.com/microsoft/kiota-java/security/advisories/GHSA-7j59-v9qr-6fq9","https://nvd.nist.gov/vuln/detail/CVE-2026-44503","https://github.com/advisories/GHSA-7j59-v9qr-6fq9","https://github.com/microsoft/kiota-java","https://github.com/pypa/advisory-database/tree/main/vulns/microsoft-kiota-http/PYSEC-2026-2647.yaml","https://pypi.org/project/microsoft-kiota-http"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"GHSA-7j59-v9qr-6fq9","url":"https://osv.dev/vulnerability/GHSA-7j59-v9qr-6fq9"},{"source":"nvd","source_id":"CVE-2026-44503","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44503"}],"summary":"Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect"}