EUVD-2026-79236

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, DigestAuth replay protection records lastNc plus one instead of the highest nonce-count value it has accepted. When a legitimate client sends noncontiguous nc values because of parallel or retried requests, the stored...

CVE-2026-69214

Http4s , a Scala library for HTTP services, is affected through its CookieJar client middleware . Prior to 0.23.35 and 1.0.0-M47 , the middleware stores a response cookie's Domain attribute without validating that it domain-matches the supplying host or rejecting public suffixes. A malicious or c...

EUVD-2026-79179

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware stores a response cookie’s Domain attribute without checking that it domain-matches the host that supplied the cookie or rejecting public suffixes. A malicious or compromised server...

http4s 输入验证错误漏洞

http4s is an open source streaming HTTP server for Scala. An input validation error vulnerability exists in several versions of http4s, which stems from the fact that its User-Agent and Server header parsers are prone to fatal errors in processing certain input. The following versions are affecte...

CVE-2021-32643

Http4s is a Scala interface for HTTP services. StaticFile.fromUrl can leak the presence of a directory on a server when the URL scheme is not file://, and the URL points to a fetchable resource under its scheme and authority. The function returns FNone, indicating no resource, if url.getFile is a...

CVE-2021-21294

Http4s http4s-blaze-server is a minimal, idiomatic Scala interface for HTTP services. Http4s before versions 0.21.17, 0.22.0-M2, and 1.0.0-M14 have a vulnerability which can lead to a denial-of-service. Blaze-core, a library underlying http4s-blaze-server, accepts connections unboundedly on its...