Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2026-3608

7.5 · HIGH

Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with…

Published Mar 25, 2026CWE-617EPSS 1.16%

Overview

CVE-2026-3608 is a high-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Sending a maliciously crafted message to the kea-ctrl-agent, kea-dhcp-ddns, kea-dhcp4, or kea-dhcp6 daemons over any configured API socket or HA listener can cause the receiving daemon to exit with a stack overflow error.

This issue affects Kea versions 2.6.0 through 2.6.4 and 3.0.0 through 3.0.2.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdownloads.isc.org/isc/kea/2.6.5Refdownloads.isc.org/isc/kea/3.0.3Refkb.isc.org/docs/cve-2026-3608Refwww.openwall.com/lists/oss-security/2026/03/25/6Refaccess.redhat.com/errata/RHSA-2026:11344Refaccess.redhat.com/errata/RHSA-2026:7342Refaccess.redhat.com/security/cve/CVE-2026-3608Refbugzilla.redhat.com/show_bug.cgi?id=2451139Refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3608.json

How CyberStrike helps

Frequently asked questions

What is CVE-2026-3608?

CVE-2026-3608 is a high-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-3608?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-3608?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-3608?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-3608 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2026

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999