HTTP Request Smuggling Affecting org.apache.tomcat:tomcat-coyote package, versions [7.0.0,9.0.116)[10.1.0-M1,10.1.53)[11.0.0-M1,11.0.20)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Apr 2026
- disclosed8 Apr 2026
- creditXclow3n
Introduced: 8 Apr 2026
CVE-2026-24880 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat:tomcat-coyote to version 9.0.116, 10.1.53, 11.0.20 or higher.
Overview
org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser.
Affected versions of this package are vulnerable to HTTP Request Smuggling in ChunkedInputFilter, when handling HTTP/1.1 requests with invalid chunk extensions. An attacker can interfere with the interpretation of HTTP requests and responses by injecting CRLF sequences and sending the payload to an application using a reverse proxy that allows those sequences.