{"action":"Upgrade org.http4s:http4s-ember-core_2.12 to 0.23.35 or later.","affected":[{"fixed":"0.23.35","introduced":"0"}],"component":"org.http4s:http4s-ember-core_2.12","cve_ids":["CVE-2026-69204"],"ecosystem":"Maven","epss":0.00574,"exploited":false,"fixed_versions":["0.23.35"],"ghsa_id":"GHSA-8h4c-x2wg-6xp8","id":"tcs_01M5N8MQRDF78EQGH7EY2094P5","modified_at":"2026-09-15T20:00:39.617163532Z","published_at":"2026-09-15T19:53:44Z","references":["https://osv.dev/vulnerability/GHSA-8h4c-x2wg-6xp8","https://github.com/http4s/http4s/security/advisories/GHSA-8h4c-x2wg-6xp8","https://github.com/http4s/http4s/commit/9feaf8677951a52af906ae9664ff6f0543d9d810","https://github.com/http4s/http4s","https://github.com/http4s/http4s/releases/tag/v0.23.35","https://github.com/http4s/http4s/releases/tag/v1.0.0-M47"],"severity":{"label":"critical","score":9.2},"sources":[{"source":"osv","source_id":"GHSA-8h4c-x2wg-6xp8","url":"https://osv.dev/vulnerability/GHSA-8h4c-x2wg-6xp8"},{"source":"nvd","source_id":"CVE-2026-69204","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69204"}],"summary":"Http4s Ember accepts Transfer-Encoding combined with Content-Length (CL.TE request smuggling)"}