{"action":"Upgrade microdot to 2.6.1 or later.","affected":[{"fixed":"2.6.1","introduced":"0"}],"component":"microdot","cve_ids":["CVE-2026-42874"],"ecosystem":"PyPI","epss":0.00215,"exploited":false,"fixed_versions":["2.6.1"],"ghsa_id":"GHSA-7wc8-wvc4-m498","id":"tcs_01M5KH0PS5CPBH6Q17J5BEFHA1","modified_at":"2026-07-13T16:31:50.940234729Z","published_at":"2026-07-13T15:15:37.418888Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2646","https://github.com/miguelgrinberg/microdot/security/advisories/GHSA-7wc8-wvc4-m498","https://nvd.nist.gov/vuln/detail/CVE-2026-42874","https://github.com/miguelgrinberg/microdot/commit/99b281b45faef8472410f2d56bfef496dfbd95d5","https://github.com/miguelgrinberg/microdot","https://github.com/miguelgrinberg/microdot/blob/main/CHANGES.md","https://pypi.org/project/microdot","https://github.com/advisories/GHSA-7wc8-wvc4-m498"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"PYSEC-2026-2646","url":"https://osv.dev/vulnerability/PYSEC-2026-2646"}],"summary":"Microdot has HTTP response splitting in Response.set_cookie()"}