CVE-2026-33566
4.3 · MEDIUMThere is a cypher injection issue in LogonTracer prior to v2.0.0.
Overview
CVE-2026-33566 is a medium-severity vulnerability affecting jpcert logontracer. It was published on April 27, 2026 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
There is a cypher injection issue in LogonTracer prior to v2.0.0. If specially crafted Windows event log data is loaded, the contents of the database may be altered.
Remediation
Check the references section for vendor advisories and patches from jpcert. Update logontracer to the latest patched version. 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.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| jpcert | logontracer | >= 0, < 2.0.0 | Affected |
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Frequently asked questions
What is CVE-2026-33566?
CVE-2026-33566 is a medium-severity vulnerability affecting jpcert logontracer. It was published on April 27, 2026 and has a CVSS 3.0 base score of 4.3 (MEDIUM).
How severe is CVE-2026-33566?
This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-33566?
Check the references section for vendor advisories and patches from jpcert. Update logontracer to the latest patched version. 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-2026-33566?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-33566 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.
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