high7.5
CVE-2026-41284
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.
Impact
Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.tomcat.embed:tomcat-embed-core | < 9.0.118 | 9.0.118 |
| maven | org.apache.tomcat:tomcat | < 9.0.118 | 9.0.118 |
| maven | org.apache.tomcat:tomcat-catalina | < 9.0.118 | 9.0.118 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Tomcat | from 4.0.0 through 7.0.109 from 8.5.0 through 8.5.100 from 9.0.0 before 9.0.118 from 10.0.0 through 10.0.27 from 10.1.0 before 10.1.55 from 11.0.0 before 11.0.22 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-gx5v-xp9w-j4cg
- https://nvd.nist.gov/vuln/detail/CVE-2026-41284
- https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
- http://www.openwall.com/lists/oss-security/2026/05/12/12
- https://github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c
- https://github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c
- https://github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html