Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 19:38:54 +0000 fkie_cve-2026-17552 https://vulnerability.circl.lu/vuln/fkie_cve-2026-17552 <p>Plack::App::Prerender versions before 0.3.0 for Perl can proxy to an arbitrary host via unvalidated REQUEST_URI concatenation in call.</p> <p>When the rewrite base is a plain string, the REQUEST_URI is appended to it, with no check that the path starts with a forward slash (&#39;/&#39;).</p> <p>When the rewrite base does not contain a path (which is the standard given in the SYNOPSIS), an attacker can create a request that changes the hostname. A request target starting with an at-sign (&#39;@&#39;) changes the base to a RFC 3986 userinfo component.</p> <p>For example, a rewrite base of &#34;https://example.com&#34; with the submitted request &#34;GET @192.168.1.2/&#34; will send a request to &#34;https://example.com@192.168.1.2/&#34;, with the rendered content returned to the attacker.</p> <p>This allows an attacker to access internal or restricted hosts that only the webserver has access to.</p> <p>Plack::App::Prerender versions before 0.3.0 for Perl can proxy to an arbitrary host via unvalidated REQUEST_URI concatenation in call.</p> <p>When the rewrite base is a plain string, the REQUEST_URI is appended to it, with no check that the path starts with a forward slash (&#39;/&#39;).</p> <p>When the rewrite base does not contain a path (which is the standard given in the SYNOPSIS), an attacker can create a request that changes the hostname. A request target starting with an at-sign (&#39;@&#39;) changes the base to a RFC 3986 userinfo component.</p> <p>For example, a rewrite base of &#34;https://example.com&#34; with the submitted request &#34;GET @192.168.1.2/&#34; will send a request to &#34;https://example.com@192.168.1.2/&#34;, with the rendered content returned to the attacker.</p> <p>This allows an attacker to access internal or restricted hosts that only the webserver has access to.</p> https://vulnerability.circl.lu/vuln/fkie_cve-2026-17552