CVE-2026-33277 — HIGH (8.8)

Q: What is CVE-2026-33277?

CVE-2026-33277 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

Q: How severe is CVE-2026-33277?

CVE-2026-33277 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-33277?

Check the references section above for vendor advisories and patch information. Affected products include: Jpcert Logontracer.

Vulnerability 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 Score

8.8

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jpcert	Logontracer	< 2.0.0

Related Weaknesses (CWE)

CWE-78

References

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

FAQ

What is CVE-2026-33277?

CVE-2026-33277 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

How severe is CVE-2026-33277?

CVE-2026-33277 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33277?

Check the references section above for vendor advisories and patch information. Affected products include: Jpcert Logontracer.