What’s Vulnerable › Vulnerabilities

CVE-2026-33277

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-27 · updated 2026-10-26
• Weakness: CWE-78

Description

An OS command Injection issue exists in LogonTracer prior to v2.0.0. An arbitrary OS command may be executed by a logged-in user.

Affected products

• JPCERT Coordination Center LogonTracer: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: JPCERT Coordination Center LogonTracer 2.0.0. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN57877356/
• https://www.jpcert.or.jp/press/2026/PR20260423.html

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