PT-2026-44368 · Cpan · Plack::Middleware::Security::Common

Published 2026-05-28 · Updated 2026-05-29 · CVE-2026-9658

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Plack::Middleware::Security::Common versions prior to 0.13.1

Description The software fails to block header injections within request paths. The header injection rule is ineffective unless the injections are double-encoded, allowing Carriage Return and Line Feed (CRLF) characters to be present in the request path, which could potentially lead to the injection of additional HTTP headers.

Recommendations Update to version 0.13.1 or later.

Fix

Weakness Enumeration

CWE-113

CWE-790

Related Identifiers

CVE-2026-9658

Affected Products

Plack::Middleware::Security::Common

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-9658 · Security Note
• https://t.me/cveNotify/165002 · Telegram Post
• http://openwall.com/lists/oss-security/2026/05/28/9 · Note
• https://twitter.com/oss_security/status/2060265677005488262 · Twitter Post
• https://t.me/cveNotify/165114 · Telegram Post
• https://metacpan.org/release/RRWO/Plack-Middleware-Security-Simple-v0.13.1/changes · Note