Vulnerability Description
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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Karaf Decanter | < 2.12.0 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/dc5wmdn6hyc992olntkl75kk04ndzx34Mailing List
- http://www.openwall.com/lists/oss-security/2026/01/24/1Mailing ListThird Party Advisory
FAQ
What is CVE-2026-24656?
CVE-2026-24656 is a vulnerability with a CVSS score of 3.7 (LOW). 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 pr...
How severe is CVE-2026-24656?
CVE-2026-24656 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-24656?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Karaf Decanter.