{"id":14335,"date":"2026-09-04T19:01:22","date_gmt":"2026-09-04T11:01:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-47737"},"modified":"2026-09-04T19:01:22","modified_gmt":"2026-09-04T11:01:22","slug":"cve-2026-47737","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-47737","title":{"rendered":"CVE-2026-47737 [HIGH] &#8211; Puma is a Ruby\/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, Pu"},"content":{"rendered":"<p>Puma is a Ruby\/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, Puma is vulnerable to source IP spoofing when set_remote_address proxy_protocol: :v1 is enabled and persistent connections are used because Puma incorrectly re-parses PROXY protocol headers after each keep-alive request on the same connection, allowing an attacker to inject a second PROXY header and overwrite REMOTE_ADDR. This issue is fixed in versions 7.2.1 and 8.0.2.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Puma is a Ruby\/Rack web server built for parallelism. From 5.5.0 until 7.2.1 and 8.0.2, Puma is vulnerable to source IP spoofing when set_remote_address proxy_protocol: :v1 is enabled and persistent c<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-14335","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/14335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}