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CVE-2016-0763 is an improper access-control vulnerability in Apache Tomcat's ResourceLinkFactory. The public ResourceLinkFactory.setGlobalContext() method could be invoked by web applications executing under a Java SecurityManager without verifying that the caller was authorized to change the global context. A malicious web application could supply a crafted global context, bypassing intended inter-application isolation enforced by the SecurityManager. The issue affects Tomcat 7.0.0 through 7.0.67, Tomcat 8.0.0.RC1 through 8.0.30, and Tomcat 9.0.0.M1 through 9.0.0.M2.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authenticated remote Tomcat SecurityManager-bypass flaw, associated with setGlobalContext(), enabling access to arbitrary application data and possible denial of service.
An Apache Tomcat SecurityManager bypass that allows remote authenticated users to access arbitrary application data and may cause denial of service.
Apache Tomcat SecurityManager bypass, via setGlobalContext(), that allows authenticated remote users to access arbitrary application data and may cause denial of service.
Apache Tomcat SecurityManager-bypass flaw, identified in the fixes list as involving setGlobalContext(), that permits authenticated remote users to access arbitrary application data and may cause denial of service.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.