CVE-2026-41284
Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling
Description
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.
INFO
Published Date :
May 12, 2026, 4:16 p.m.
Last Modified :
May 14, 2026, 6:59 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache Tomcat to the latest fixed version.
- Apply necessary patches or updates.
Public PoC/Exploit Available at Github
CVE-2026-41284 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-41284.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/05/12/12 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-41284 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-41284
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Java Dockerfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-41284 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-41284 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
May. 14, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (including) 8.5.100 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.1.0 up to (excluding) 10.1.55 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.118 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (excluding) 11.0.22 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (including) 10.0.27 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (including) 7.0.109 Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/05/12/12 Types: Mailing List, Third Party Advisory Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc Types: Mailing List, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 13, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
May. 12, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/05/12/12 -
New CVE Received by [email protected]
May. 12, 2026
Action Type Old Value New Value Added Description 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. Added CWE CWE-770 Added Reference https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc