Buffer Under-read Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [11.0.0-M25,11.0.27)
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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Test your applications- Snyk IDSNYK-JAVA-ORGAPACHETOMCATEMBED-21707473
- published25 Oct 2026
- disclosed20 Oct 2026
- creditTuomo Hänninen
Introduced: 20 Oct 2026
NewCVE-2026-103119 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 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 Buffer Under-read in the AJP process. An attacker can cause the response body to be split between requests, potentially leading to failure of subsequent requests and possible leakage of response data by sending a large non-blocking write.