<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:webfeeds="http://webfeeds.org/rss/1.0"><channel><title>Cpe:2.3:a:zhangbw409:library_manager_system:*:*:*:*:*:*:*:* - CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/cpes/cpe2.3azhangbw409library_manager_system/</link><description>Trending threats, MITRE ATT&amp;CK coverage, and detection metadata. Fed continuously.</description><generator>Hugo</generator><language>en</language><managingEditor>hello@craftedsignal.io</managingEditor><webMaster>hello@craftedsignal.io</webMaster><lastBuildDate>Mon, 09 Nov 2026 11:38:44 +0000</lastBuildDate><atom:link href="https://feed.craftedsignal.io/cpes/cpe2.3azhangbw409library_manager_system/feed.xml" rel="self" type="application/rss+xml"/><image><url>https://feed.craftedsignal.io/favicon-32x32.png</url><title>CraftedSignal Threat Feed</title><link>https://feed.craftedsignal.io/</link><width>32</width><height>32</height></image><webfeeds:icon>https://feed.craftedsignal.io/favicon.svg</webfeeds:icon><item><title>zhangbw409 library_manager_system: Improper authorization via BookController (CVE-2026-124590)</title><link>https://feed.craftedsignal.io/briefs/2026-11-library-manager-auth-bypass/</link><pubDate>Mon, 09 Nov 2026 11:38:44 +0000</pubDate><author>hello@craftedsignal.io</author><guid isPermaLink="true">https://feed.craftedsignal.io/briefs/2026-11-library-manager-auth-bypass/</guid><description>A remote improper authorization vulnerability in zhangbw409 library_manager_system allows attackers to manipulate user-related parameters within the BookController.addBook method to bypass authorization.</description><content:encoded><![CDATA[<p>A vulnerability exists in the library_manager_system project (commit hash f6c9d9c96bf5d2a32ef741daeaa29d80e6db166b) within the BookController.addBook function located in src/main/java/com/zbw/controller/UserController.java. Attackers can remotely exploit this by manipulating the userName, userPwd, userEmail, or userId parameters to perform unauthorized actions. The maintainers have not yet provided a patch for this rolling-release project.</p>
<h2 id="impact">Impact</h2>
<p>Successful exploitation allows remote attackers to bypass authorization controls, potentially leading to unauthorized data modification or administrative access depending on the context of the affected system.</p>
<h2 id="recommendation">Recommendation</h2>
<ul>
<li>Audit all deployments of the library_manager_system for exposed instances.</li>
<li>Implement network-level restrictions to limit remote access to the BookController API endpoints.</li>
<li>Monitor application logs for anomalous POST requests to the addBook method containing unusual characters or unexpected values in user parameter fields.</li>
</ul>
]]></content:encoded><category domain="severity">medium</category><category domain="type">advisory</category><category>authorization-bypass</category><category>web-application</category><category>java</category></item></channel></rss>