http4s

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The 15 most recently published vulnerabilities affecting http4s.

• CVE-2026-61741http4s-scala-xml has an XML External Entity (XXE) processing issue9.3Sep 24, 2026
• CVE-2026-88975Http4s: Ember HTTP/2 buffers a frame's declared payload before checking SETTINGS_MAX_FRAME_SIZE7.5Sep 15, 2026
• CVE-2026-69206Http4s: DigestAuth allows replay of captured requests5.9Sep 15, 2026
• CVE-2026-69202Http4s Ember HTTP/2: unbounded inbound body buffering7.5Sep 15, 2026
• CVE-2026-69218Http4s Ember HTTP/2: unbounded continuation frame accumulation7.5Sep 15, 2026
• CVE-2026-69203Http4s Ember HTTP/2: does not enforce SETTINGS_MAX_CONCURRENT_STREAMS7.5Sep 15, 2026
• CVE-2026-69217Http4s: Ember Server accepts duplicate Content-Length headers8.7Sep 15, 2026
• CVE-2026-69210Http4s: WebSocket decoder accepts negative length, causing infinite decode loop7.5Sep 15, 2026
• CVE-2026-69215Http4s: CookieJar middleware matches by substring, leaking cookies cross-origin6.8Sep 15, 2026
• CVE-2026-69205Http4s: Ember Transfer-Encoding value parsing (TE.CL / TE.0 request smuggling)8.7Sep 15, 2026
• CVE-2026-69212Http4s: FollowRedirect middleware leaks credentials over https->http same-authority redirect5.9Sep 15, 2026
• CVE-2026-69213Http4s Ember HTTP/2: unbounded outbound frame queue7.5Sep 15, 2026
• CVE-2026-69214Http4s: CookieJar middleware accepts arbitrary Set-Cookie domain6.8Sep 15, 2026
• CVE-2026-69201Http4s: ResourceService and Webjar Service path escape via percent-encoded separators5.9Sep 15, 2026
• CVE-2026-69216Http4s: Ember chunk parser lenience (TE.TE request smuggling)5.4Sep 15, 2026