Apache Karaf Decanter has Deserialization of Untrusted Data in its Log Socket Collector
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.karaf.decanter.collector:org.apache.karaf.decanter.collector.log.socket | < 2.12.0 | 2.12.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-24656
- https://github.com/apache/karaf-decanter/issues/555
- https://github.com/apache/karaf-decanter/commit/9d7058d37160a16aaad34b488170adf277351e8b
- https://github.com/apache/karaf-decanter
- https://lists.apache.org/thread/dc5wmdn6hyc992olntkl75kk04ndzx34
- http://www.openwall.com/lists/oss-security/2026/01/24/1
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-502- Platform
- Java / Kotlin (Maven)
- Package
org.apache.karaf.decanter.collector:org.apache.karaf.decanter.collector.log.socket- Disclosed
- 26.01.2026
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jmw5-58c7-587h - CC BY 4.0
Vulnerability history: org.apache.karaf.decanter.collector:org.apache.karaf.decanter.collector.log.socket
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.