CVE-2026-24656: Apache Karaf: Decanter log-socket collector has deserialization vulnerability
Deserialization of Untrusted Data vulnerability in Apache Karaf Decanter.
The Decanter log socket collector exposes the port 4560, without authentication. If the collector exposes allowed classes property, this configuration can be bypassed. It means that the log socket collector is vulnerable to deserialization of untrusted data, eventually causing DoS.
NB: Decanter log socket collector is not installed by default. Users who have not installed Decanter log socket are not impacted by this issue.
This issue affects Apache Karaf Decanter before 2.12.0.
Users are recommended to upgrade to version 2.12.0, which fixes the issue.
Other sources
Deserialization of Untrusted Data vulnerability in Apache Karaf Decanter.
The Decanter Log Socket Collector exposes port 4560 without authentication. If the collector exposes allowed classes property, this configuration can be bypassed. The Log Socket Collector is vulnerable to deserialization of untrusted data, eventually causing DoS.
NB: Decanter Log Socket Collector is not installed by default. Users who have not installed the Decanter Log Socket are not impacted by this issue.
This issue affects Apache Karaf Decanter before 2.12.0.
Users are recommended to upgrade to version 2.12.0, which fixes the issue.
— GitHub
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-24656?
CVE-2026-24656 is considered a serious vulnerability due to its potential for remote exploitation and deserialization of untrusted data.
How do I fix CVE-2026-24656?
To fix CVE-2026-24656, upgrade to Apache Karaf Decanter version 2.12.0 or later.
What versions are affected by CVE-2026-24656?
CVE-2026-24656 affects Apache Karaf Decanter versions prior to 2.12.0.
Is authentication required for the vulnerable component in CVE-2026-24656?
No, the Decanter log socket collector in CVE-2026-24656 exposes port 4560 without authentication.
What type of vulnerability is CVE-2026-24656?
CVE-2026-24656 is categorized as a deserialization vulnerability, specifically involving untrusted data.