Incorrect Default Permissions in Pupsman by Fujielectric
CVE-2026-57895

8.5HIGH

Key Information:

Vendor

Fuji Electric Co.,ltd.

Status
Pupsman
Vendor
CVE Published:
8 July 2026

What is CVE-2026-57895?

A significant security issue exists in Pupsman versions prior to 3.9.0, where incorrect default permissions allow attackers to infiltrate the system. This vulnerability enables an attacker to place a malicious executable within the installation folder, leading to arbitrary code execution with elevated SYSTEM privileges. This flaw poses a serious risk, as it can be exploited to gain unauthorized access and control over the affected system.

Affected Version(s)

Pupsman prior to 3.9.0

References

https://www.fujielectric.co.jp/products/power_supply/ups/...
https://jvn.jp/en/jp/JVN62347140/

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.