org.apache.tomcat:tomcat-coyote Known Vulnerabilities & Fixes
org.apache.tomcat:tomcat-coyote has 10 known security vulnerabilities in Maven (Java). Upgrade to version 11.0.22 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Actively Exploited
CISA has confirmed this package has vulnerabilities under active exploitation. Prioritize updating immediately.
Recommended safe version: 11.0.22
Upgrading to 11.0.22 or later resolves all 10 known vulnerabilities in org.apache.tomcat:tomcat-coyote. Update your pom.xml or build.gradle to version 11.0.22.
Is org.apache.tomcat:tomcat-coyote in your project?
Check if you're affected and upgrade to 11.0.22 to stay secure.
Active Exploitation Warning
One or more vulnerabilities in this package are known to be actively exploited in the wild. Immediate action is recommended.
Security Summary
- 35 affected version ranges have been identified across these 10 advisories.
- 100% of known issues have a published fixed version.
- Remediation: Update the org.apache.tomcat:tomcat-coyote version in your pom.xml or build.gradle
Vulnerabilities
10 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed May 13, 2022, most recently May 12, 2026 (1461 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2023-44487 HTTP/2 Stream Cancellation Attack | MEDIUM | 11.0.0-M1, 11.0.0-M10, 11.0.0-M11, 11.0.0-M3 (+195 more) | 11.0.0-M12, 10.1.14, 9.0.81 (+1 more) |
| CVE-2026-41293 Apache Tomcat - HTTP/2 request headers not validated | CRITICAL | 8.5.0, 8.5.100, 8.5.11, 8.5.12 (+300 more) | 9.0.118, 10.1.55, 11.0.22 |
| CVE-2017-5651 Expected Behavior Violation in Apache Tomcat | CRITICAL | 9.0.0.M1, 9.0.0.M10, 9.0.0.M11, 9.0.0.M13 (+18 more) | 9.0.0.M19, 8.5.13 |
| CVE-2024-38286 Apache Tomcat Allocation of Resources Without Limits or Throttling vulnerability | HIGH | 11.0.0-M1, 11.0.0-M10, 11.0.0-M11, 11.0.0-M12 (+184 more) | 11.0.0-M21, 10.1.25, 9.0.90 |
| CVE-2026-29129 Apache Tomcat: Configured cipher preference order not preserved | HIGH | 9.0.115, 10.1.52, 11.0.18 | 9.0.116, 10.1.53, 11.0.20 |
| CVE-2025-53506 Apache Tomcat Coyote vulnerable to Denial of Service via excessive HTTP/2 streams | HIGH | 11.0.0, 11.0.0-M1, 11.0.0-M10, 11.0.0-M11 (+269 more) | 11.0.9, 10.1.43, 9.0.107 |
| CVE-2026-24880 Apache Tomcat has an HTTP Request/Response Smuggling vulnerability | HIGH | 7.0.0, 7.0.100, 7.0.103, 7.0.104 (+414 more) | 9.0.116, 10.1.52, 11.0.20 |
| CVE-2026-24734 Apache Tomcat has an Improper Input Validation vulnerability | HIGH | 11.0.0, 11.0.0-M1, 11.0.0-M10, 11.0.0-M11 (+116 more) | 11.0.18, 10.1.52, 9.0.115 |
| CVE-2025-31650 Apache Tomcat Denial of Service via invalid HTTP priority header | MEDIUM | 9.0.100, 9.0.102, 9.0.76, 9.0.78 (+157 more) | 9.0.104, 10.1.40, 11.0.6 |
| CVE-2025-66614 Apache Tomcat - Client certificate verification bypass | MEDIUM | 11.0.0, 11.0.0-M1, 11.0.0-M10, 11.0.0-M11 (+288 more) | 11.0.15, 10.1.50, 9.0.113 |
About This Data
Vulnerability data for org.apache.tomcat:tomcat-coyote is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related Maven (Java) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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