CVE-2025-58386

Description

In Terminalfour 8 through 8.4.1.1, the userLevel parameter in the user management function is not subject to proper server-side authorization checks. A Power User can intercept and modify this parameter to assign the Administrator role to other existing lower-privileged accounts, or invite a new lower-privileged account and escalate its privileges. While manipulating this request, the Power User can also change the target account's password, effectively taking full control of it.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-285 CWE-285

Affected Products

Vendor	Product	Versions
terminalfour	terminalfour	8.0.0 — 8.4.1.2

References

Advisories & Patches

https://docs.terminalfour.com/release-notes/security-notices/cve-2025-58386/

Other References

https://terminalfour.com

Frequently Asked Questions

What is CVE-2025-58386? +

In Terminalfour 8 through 8.4.1.1, the userLevel parameter in the user management function is not subject to proper server-side authorization checks. A Power User can intercept and modify this parameter to assign the Administrator role to other existing lower-privileged accounts, or invite a new lower-privileged account and escalate its privileges. While manipulating this request, the Power User can also change the target account's password, effectively taking full control of it. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-58386? +

CVE-2025-58386 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-58386? +

CVE-2025-58386 affects products from terminalfour, specifically: terminalfour. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-58386? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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