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CVE-2026-24880 is an HTTP request/response smuggling vulnerability in Apache Tomcat caused by inconsistent interpretation of HTTP requests containing an invalid chunk extension. Affected versions include 11.0.0-M1 through 11.0.18, 10.1.0-M1 through 10.1.52, 9.0.0.M1 through 9.0.115, 8.5.0 through 8.5.100, and 7.0.0 through 7.0.109. Other unsupported versions may also be affected. The parsing inconsistency can enable request/response smuggling; the specific vulnerable function is not identified.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
22 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An Apache Tomcat HTTP request/response-smuggling vulnerability involving invalid chunk extensions.
An Apache Tomcat request-smuggling vulnerability, referenced in a Nuclei template and demonstrated as matching against Tomcat version 9.0.115.
An HTTP request/response smuggling vulnerability in an Apache Tomcat dependency affecting Confluence Data Center.
HTTP request smuggling vulnerability in the org.apache.tomcat:tomcat-catalina dependency affecting Bamboo Data Center.
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.