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CVE-2026-65182 is an improper access control and incorrect authorization flaw in Apache Tomcat security-constraint processing. A security constraint for a longer URL path specified before a more restrictive constraint for a shorter sub-path can cause the restrictive sub-path constraint to be bypassed. Affected versions are Tomcat 11.0.0-M1 through 11.0.24, 10.1.0-M1 through 10.1.57, 9.0.0.M1 through 9.0.120, 8.5.0 through 8.5.100, and 7.0.0 through 7.0.109.
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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.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An improper-access-control vulnerability in Apache Tomcat. Fixed by upgrading to 9.0.121 or later, 10.1.59 or later, or 11.0.25 or later.
An important Apache Tomcat authorization-bypass vulnerability caused by incorrect security-constraint processing order.
An Apache Tomcat security-constraint bypass caused by path-constraint ordering, potentially allowing access controls to be bypassed.
An Apache Tomcat improper access control/incorrect authorization flaw that can bypass security constraints when a longer-path constraint is declared before a more restrictive constraint for a shorter sub-path.
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.