What’s Vulnerable › Vulnerabilities

CVE-2018-11788

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-07 · updated 2026-06-17
• Weakness: CWE-611

Description

Apache Karaf provides a features deployer, which allows users to "hot deploy" a features XML by dropping the file directly in the deploy folder. The features XML is parsed by XMLInputFactory class. Apache Karaf XMLInputFactory class doesn't contain any mitigation codes against XXE. This is a potential security risk as an user can inject external XML entities in Apache Karaf version prior to 4.1.7 or 4.2.2. It has been fixed in Apache Karaf 4.1.7 and 4.2.2 releases.

Affected products

• Apache Software Foundation Apache Karaf: before 4.1.7; from 4.2.0 through 4.2.1; 4.2.0-milestone1, 4.2.0-milestone2 — fixed in 4.1.7

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Karaf 4.1.7. Check the vendor advisory for mitigations.

References

• http://karaf.apache.org/security/cve-2018-11788.txt
• http://www.securityfocus.com/bid/106479
• http://karaf.apache.org/security/cve-2018-11788.txt
• http://www.securityfocus.com/bid/106479

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