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Vulnerability record · CVE-2026-33277 · published 27 April 2026

CVE-2026-33277: Jpcert logontracer os command injection vulnerability

Jpcert · Logontracer

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.

8.7 CVSS 4.0 High EPSS 2.3% · top 17.7% CWE-78 · OS command injection
8.7CVSS 4.0 base score
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://jvn.jp/en/jp/JVN57877356/ Third Party Advisory
https://www.jpcert.or.jp/press/2026/PR20260423.html Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-33277), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.