What’s Vulnerable › Vulnerabilities

CVE-2023-26269: Apache James server: Privilege escalation through unauthenticated JMX

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-03 · updated 2026-06-17
• Weakness: CWE-862

Description

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.

Affected products

• Apache Software Foundation Apache James: before 3.7.4 — fixed in 3.7.4

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache James 3.7.4. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2023/04/18/3
• https://lists.apache.org/thread/2z44rg93pflbjhvbwy3xtz505bx41cbs
• http://www.openwall.com/lists/oss-security/2023/04/18/3
• https://lists.apache.org/thread/2z44rg93pflbjhvbwy3xtz505bx41cbs

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