External risk intelligence

GreaterWMS Credential Disclosure and Privilege Escalation Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2025-26201

GreaterWMS is a warehouse management system designed to be deployed as a web application. These systems are commonly exposed to the internet or accessible via internal networks to facilitate remote management and staff access, making the /staff route a likely candidate for public-facing or edge-service exposure in many standard deployments.

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical security vulnerability has been identified in GreaterWMS software, specifically related to accessing staff information. This flaw allows unauthorized remote users to bypass security controls and potentially gain elevated access to the system. The main concern at this time is confirming if our organization utilizes this specific software.

Unauthenticated access to staff data and privileges.
Critical access flaw in warehouse management software.
Confirm relevance to our operations.

Attack Path

How an attacker could exploit the issue

An attacker could potentially reach the GreaterWMS application through the network and access its /staff route without needing any credentials. This unauthenticated access allows them to bypass normal security checks, leading to unauthorized privilege escalation.

Network access and no authentication required.
Accessing the /staff route.
Unauthenticated privilege escalation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated remote attacker to bypass authentication on the `/staff` route, potentially leading to escalated privileges. This might affect system data by granting unauthorized access and control.

System access credentials.
Unauthenticated access to the `/staff` route.
Unauthorized system control.

Operational Fix

Recommended remediation, mitigation, and detection steps

Given that GreaterWMS is a warehouse management system often deployed as a web application, application owners or platform teams are likely responsible for managing its instances. The immediate priority is to locate all deployments of this software, determine their reachability and criticality, and identify the accountable owner. Subsequently, a risk-based remediation plan should be developed, which may involve vendor coordination or temporary mitigation strategies if immediate patching is not feasible.

Application or platform teams should own.
Verify system reachability and business criticality.
Plan remediation based on identified risk.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

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Frequently asked questions

What is GreaterWMS?

GreaterWMS is a warehouse management system designed as a web application. It helps organizations track inventory, manage warehouse operations, and coordinate logistics. Because it is built for web access, it typically manages staff accounts and operational data, serving as a central hub for supply chain activities that must remain secure to prevent unauthorized control of inventory processes.

What does CVE-2025-26201 mean for my system's security?

This vulnerability is classified as CWE-294, which refers to an authentication bypass issue. In simple terms, it means the software fails to properly verify the identity of a user before granting access. For CVE-2025-26201, this weakness allows an unauthorized person to reach sensitive areas of the system, effectively letting them bypass the login process entirely to view staff data or escalate their privileges to a higher level.

How does an attacker trigger this vulnerability?

An attacker exploits this by sending a network request specifically directed at the /staff route within the GreaterWMS application. Because the system does not require valid credentials to access this particular path, the request is processed as if it came from an authorized user. Note that this bug is specific to that route; it does not necessarily imply that every other part of the application is immediately vulnerable to the same unauthenticated access.

Is my GreaterWMS instance at risk?

If your instance is reachable over a network, it may be at risk. Halo Surface Signal identifies GreaterWMS as a web-based system that is frequently deployed with internet-facing access to support remote staff management. Because the vulnerability is triggered via a standard network request, any deployment exposed to the public internet or an untrusted network segment is a primary concern for potential unauthorized interaction.

What should I do if I run GreaterWMS?

Start by auditing your network to identify all active instances of the software and confirm who is responsible for managing them. Once you have a complete inventory, assess whether these instances are accessible from the internet or restricted internal networks. Work with your platform team to coordinate a risk-based plan, which may involve applying official vendor updates or implementing temporary network-level blocks to restrict access to the affected /staff route.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.