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CVE-2026-41284

33
FAUCET Score

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.

First published: May 12, 2026Last modified: May 12, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, <= 7.0.109CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 8.5.0, <= 8.5.100CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 9.0.0, < 9.0.118CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 10.0.0, <= 10.0.27CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 10.1.0, < 10.1.55CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 28th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

mavenpatch availablevia ghsa
Product: org.apache.tomcat.embed:tomcat-embed-coreFixed in: 9.0.118
mavenpatch availablevia ghsa
Product: org.apache.tomcat.embed:tomcat-embed-coreFixed in: 10.1.55
mavenpatch availablevia ghsa
Product: org.apache.tomcat.embed:tomcat-embed-coreFixed in: 11.0.22
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 9.0.118
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 10.1.55
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 11.0.22
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcat-catalinaFixed in: 9.0.118
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcat-catalinaFixed in: 10.1.55
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcat-catalinaFixed in: 11.0.22
ubuntupatch availablevia ubuntu_usn
Product: tomcat11 (resolute)Fixed in: 11.0.18-1ubuntu0.1~esm1
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (3)

ubuntuUSN-8450-1

Tomcat vulnerabilities

Jun 18, 2026
mavenGHSA-gx5v-xp9w-j4cghigh

Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

May 12, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11082.html

[SECURITY] CVE-2026-41284 Apache Tomcat - Unbounded read in WebDAV LOCK and PROPFIND handling

May 12, 2026

References

openwall.com / lists/oss-security/2026/05/12/12
Mailing ListThird Party Advisory
lists.apache.org / thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc
Mailing ListVendor Advisory