How severe is CVE-2026-24656?

CVE-2026-24656 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-24656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24656?

CVE-2026-24656 affects Apache Karaf Decanter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24656?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24656 have an EU (EUVD) identifier?

Yes. CVE-2026-24656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4680.

When was CVE-2026-24656 published?

CVE-2026-24656 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2026-24656

CVE-2026-24656 is a low-severity vulnerability in Apache Karaf Decanter with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4680
Weakness: CWE-502
Affected product: Apache Karaf Decanter
Published: 2026-01-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-24656?: 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.
How severe is CVE-2026-24656?: CVE-2026-24656 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-24656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24656?: CVE-2026-24656 affects Apache Karaf Decanter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24656?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24656 have an EU (EUVD) identifier?: Yes. CVE-2026-24656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4680.
When was CVE-2026-24656 published?: CVE-2026-24656 was published on 2026-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:karaf_decanter:*:*:*:*:*:*:*:*

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