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CVE-2023-26269

HighPublished

Apache James server: Privilege escalation through unauthenticated JMX

Published: Apr 3, 2023
Updated: Feb 13, 2025
Assigning CNA: apache
Evidence observed: Aug 8, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.7%

Low · next 30 days

Percentile: 49.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Apache James server version 3.7.3 and earlier provides a JMX management service without authentication by default. This allows privilege escalation by a malicious local user. Administrators are advised to disable JMX, or set up a JMX password. Note that version 3.7.4 onward will set up a JMX password automatically for Guice users.

Sources

CVE-2023-26269PoC
CVE-2023-26269: Misconfigured JMX in Apache James
MAL-010PoC
MAL-010: Dangerous MBeans Accessible via JMX in Apache James

Responsible use

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