Incomplete Cleanup Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [9.0.92,9.0.123)[10.1.27,10.1.61)[11.0.0-M23,11.0.27)
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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- published25 Oct 2026
- disclosed20 Oct 2026
- creditWentao He
Introduced: 20 Oct 2026
NewCVE-2026-88041 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.123, 10.1.61, 11.0.27 or higher.
Overview
org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.
Affected versions of this package are vulnerable to Incomplete Cleanup due to incomplete cleanup in the HTTP/2 trailer header process. An attacker can access sensitive information from previous requests by sending crafted HTTP/2 requests in rapid succession.