Timing Attack Affecting org.apache.tomcat:tomcat-coyote package, versions [,9.0.118)[10.1.0-M1,10.1.55)[11.0.0-M1,11.0.22)
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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- published13 May 2026
- disclosed12 May 2026
- creditUnknown
Introduced: 12 May 2026
CVE-2026-43514 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat:tomcat-coyote to version 9.0.118, 10.1.55, 11.0.22 or higher.
Overview
org.apache.tomcat:tomcat-coyote is a Tomcat Connectors and HTTP parser.
Affected versions of this package are vulnerable to Timing Attack via AJP secret comparison. An attacker can perform a timing side-channel attack to determine whether a guessed secret is correct by sending many authentication attempts directly to the connector and measuring the time taken to compare secrets.