Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the ResourceService and WebjarService when percent-encoded slash or backslash separators in URL path segments are decoded. An attacker can access resources outside the configured base directory by crafting reques...

Directory Traversal

Overview org.http4s:http4s-server2.12 is a base library for building http4s servers. Affected versions of this package are vulnerable to Directory Traversal via the ResourceService and WebjarService when percent-encoded slash or backslash separators in URL path segments are decoded. An attacker c...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the ResourceService and WebjarService when percent-encoded slash or backslash separators in URL path segments are decoded. An attacker can access resources outside the configured base directory by crafting reques...

Http4s: ResourceService and Webjar Service path escape via percent-encoded separators

The static content handlers ResourceService and WebjarService URL decode each path segment and then reject only segments that are exactly "", ".", or "..". A percent-encoded separator %2F lets an attacker smuggle a ../ segment past that filter and escape the configured base, reading resources tha...

GHSA-CRQ5-92J2-J7WV Http4s: ResourceService and Webjar Service path escape via percent-encoded separators

The static content handlers ResourceService and WebjarService URL decode each path segment and then reject only segments that are exactly "", ".", or "..". A percent-encoded separator %2F lets an attacker smuggle a ../ segment past that filter and escape the configured base, reading resources tha...

CVE-2026-69201

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

CVE-2026-69201

Http4s , a Scala HTTP service library, is affected by a path traversal vulnerability in ResourceService and WebjarService prior to versions 0.23.35 and 1.0.0-M47 . The root cause is that these services decode URL path segments but reject only segments exactly equal to an empty string, a dot, or t...

CVE-2026-69201 Http4s: ResourceService and Webjar Service path escape via percent-encoded separators

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

EUVD-2026-79177

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

CVE-2026-69201 Http4s: ResourceService and Webjar Service path escape via percent-encoded separators

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

CVE-2026-69201 Http4s: ResourceService and Webjar Service path escape via percent-encoded separators

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

PT-2026-92403

The static content handlers ResourceService and WebjarService URL decode each path segment and then reject only segments that are exactly "", ".", or "..". A percent-encoded separator %2F lets an attacker smuggle a ../ segment past that filter and escape the configured base, reading resources tha...

CVE-2026-69201: Improper Limitation of a Pathname to a Restricted Directory

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, ResourceService and WebjarService decode each URL path segment but reject only segments exactly equal to an empty string, a dot, or two dots. A request containing percent-encoded slash or backslash separators can turn ...

CVE-2020-5280

http4s before versions 0.18.26, 0.20.20, and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService, org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalizatio...

CVE-2020-5280: Relative Path Traversal

http4s before versions 0.18.26, 0.20.20, and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService, org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalizatio...