Skip to content
CVE PROGRAM SOURCE RECORD7.3 High

CVE-2026-9658

Plack::Middleware::Security::Common versions before 0.13.1 for Perl did not block header injections in request paths

Description

Plack::Middleware::Security::Common versions before 0.13.1 for Perl did not block header injections in request paths. The header injection rule was ineffective at blocking header injections in the request paths unless they were double-encoded, for example, GET /path\r\nHTTP/1.1\r\nHost: secret.example.com Note that it is unclear whether request paths with CRLF followed by additional headers would be blocked by reverse proxies, or how they would be processed by Plack-based servers.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RRWO Plack::Middleware::Security::Common

Default version status: unaffected

  • 0 to < 0.13.1affected

References