Apache Tomcat up to 11.0.21 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apache Tomcat up to 11.0.21. This vulnerability affects unknown code. Executing a manipulation can lead to allocation of resources. This vulnerability appears as CVE-2026-41284. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 11.0.21. It has been declared as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was presented by Dariusz Gońda. The advisory is available at lists.apache.org. This vulnerability was named CVE-2026-41284 since 04/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 319611 (Debian dla-4619 : libtomcat9-embed-java - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.0.118, 10.1.55 or 11.0.22 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (319611). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 319611
Nessus Name: Debian dla-4619 : libtomcat9-embed-java - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tomcat 9.0.118/10.1.55/11.0.22

Timelineinfo

04/20/2026 CVE reserved
05/12/2026 +22 days Advisory disclosed
05/12/2026 +0 days VulDB entry created
06/07/2026 +26 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Researcher: Dariusz Gońda
Status: Confirmed

CVE: CVE-2026-41284 (🔒)
GCVE (CVE): GCVE-0-2026-41284
GCVE (VulDB): GCVE-100-363058

Entryinfo

Created: 05/12/2026 18:42
Updated: 06/07/2026 09:02
Changes: 05/12/2026 18:42 (55), 06/07/2026 09:02 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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