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CVE-2026-86531

Apache TomEE: DoS via unbounded request body and multipart handling in embedded HTTP server

No score

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of multipart requests, and does not remove the temporary files it creates for multipart parts. A remote unauthenticated attacker can cause excessive memory or disk usage, leading to denial of service. Deployments using the Tomcat connectors are not affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.

What each source reports

CVE List No score

Apache TomEE: DoS via unbounded request body and multipart handling in embedded HTTP server

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of multipart requests, and does not remove the temporary files it creates for multipart parts. A remote unauthenticated attacker can cause excessive memory or disk usage, leading to denial of service. Deployments using the Tomcat connectors are not affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.

Record
CVE-2026-86531
Weakness
CWE-770
Updated
2026-11-10
EUVDEUVD-2026-121163 No score

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of multipart requests, and does not remove the temporary files it creates for multipart parts. A remote unauthenticated attacker can cause excessive memory or disk usage, leading to denial of service. Deployments using the Tomcat connectors are not affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.

Record
EUVD-2026-121163
Updated
2026-11-10
GitHub AdvisoriesGHSA-3f8f-fwxf-pv62 No score

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of...

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of multipart requests, and does not remove the temporary files it creates for multipart parts. A remote unauthenticated attacker can cause excessive memory or disk usage, leading to denial of service. Deployments using the Tomcat connectors are not affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.

Record
GHSA-3f8f-fwxf-pv62
Weakness
CWE-770
Updated
2026-11-10
NVD No score

The embedded OpenEJB HTTP server does not limit the size of incoming request bodies or of multipart requests, and does not remove the temporary files it creates for multipart parts. A remote unauthenticated attacker can cause excessive memory or disk usage, leading to denial of service. Deployments using the Tomcat connectors are not affected. Users are recommended to block network access to the embedded HTTP server from untrusted clients, or to migrate to the Tomcat based TomEE distributions.

Record
CVE-2026-86531
Weakness
CWE-770
Updated
2026-11-10

Affected products

History

History
RecordedChangedSources
publishedEUVD
publishedEUVD
aliases, referencesGitHub Advisories, NVD
cwes, references, titleCVE List
first indexedEUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-86531 is a vulnerability with no CVSS score yet in Apache Software Foundation Tomee, published November 10, 2026. No source lists public exploit code. No source names a fixed version.

References

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