Access Control Bypass Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [9.0.118,9.0.123)[10.1.55,10.1.61)[11.0.22,11.0.27)
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
- creditUnknown
Introduced: 20 Oct 2026
NewCVE-2026-101356 (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 Access Control Bypass in the HTTP/2 asynchronous servlet processing. An attacker can cause requests and responses to be mixed up between users by exploiting incorrect object recycling and reuse.