High 8.7Published Apr 26, 2026

CVE-2026-33277An OS command Injection issue exists in LogonTracer prior to v2.0.0.

Updated under an hour ago (Oct 27, 2026, 10:10 AM ET)

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It affects Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer

Exploited in the last 30 days

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: 8.7 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-78
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jpcert
NVD analysis: Analyzed
Record last updated: Apr 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Japan Computer Emergency Response Team Coordination Center (JPCERT/CC) LogonTracer japan_computer_emergency_response_team_coordination_center_jpcert_cc:logontracer (from the name)	prior to v2.0.0	CNA record
jpcert logontracer jpcert:logontracer	before 2.0.0	NVD

References

References

https://www.jpcert.or.jp/press/2026/PR20260423.html	third-party-advisory
https://jvn.jp/en/jp/JVN57877356/	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.