External risk intelligence

MOVEit Automation allows attackers to bypass login, potentially stealing customer data or disrupting services.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-4670

MOVEit Automation has a critical flaw allowing anyone to bypass login, potentially exposing sensitive customer data or disrupting operations. This requires immediate attention due to the product's common use for sensitive file transfers.

4Halo Surface Signal

Authentication Bypass

Progress Moveit Automation

before 2024.1.82025.0.0 to before 2025.1.5

External exposure likelihood

Halo Surface Signal score for CVE-2026-4670

Progress MOVEit Automation is a managed file transfer application typically deployed as an internet-facing portal to facilitate data exchange with external partners. The guidance to restrict network access from the public internet validates that this product is commonly exposed in real-world deployments.

Horizon Alert

Summary of the vulnerability and why it matters

An authentication bypass vulnerability in Progress Software MOVEit Automation could allow unauthorized access to systems. This is a significant concern because it can bypass security checks, potentially exposing sensitive data.

  • Allows unauthorized access.
  • Affects multiple versions.
  • Network access can lead to exploitation.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker could exploit this flaw to bypass authentication mechanisms. This allows them to gain unauthorized access to the MOVEit Automation system, potentially leading to data theft or modification.

  • Network access required.
  • Exploits authentication bypass.
  • No user interaction needed.

Live Threat

Current exploitation, exposure, and threat context

This MOVEit Automation vulnerability permits unauthenticated attackers to bypass authentication. Given the known history of MOVEit vulnerabilities being actively exploited for data theft, this critical flaw presents a significant risk. Attackers would likely prioritize exploiting this to gain unauthorized access to sensitive data.

  • Actively exploited MOVEit product.
  • Critical severity, unauthenticated bypass.
  • Recent MOVEit exploitation history.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Focus on immediately isolating or taking offline Progress MOVEit Automation services affected by this critical authentication bypass vulnerability. The lack of authentication allows unauthenticated attackers to achieve full control. Given the severity and potential for widespread compromise, prioritize these actions over patching if immediate mitigation is not possible.

  • Isolate or take affected services offline.
  • Apply MOVEit Automation security patches promptly.
  • Monitor for unauthorized access attempts.

Frequently asked questions

What is Progress MOVEit Automation and its purpose?

Progress MOVEit Automation is a software solution designed for automating file transfers, enabling organizations to move data securely and efficiently between various systems and with external partners.

How does CVE-2026-4670 enable unauthorized access?

CVE-2026-4670 is an authentication bypass vulnerability (CWE-305), allowing attackers to circumvent the system's login process without needing valid credentials. This grants them unauthorized access to the MOVEit Automation system.

What is required for an attacker to exploit the MOVEit Automation flaw?

An attacker needs network access to the MOVEit Automation system to exploit this authentication bypass vulnerability. The vulnerability allows unauthenticated attackers to gain unauthorized access.

What is the significance of CVE-2026-4670 in the context of MOVEit product history?

Given the history of MOVEit vulnerabilities being actively exploited for data theft, this critical flaw presents a significant risk. Attackers would likely prioritize exploiting this to gain unauthorized access to sensitive data.

What is the recommended immediate response to this MOVEit Automation vulnerability?

Organizations should immediately isolate or take offline Progress MOVEit Automation services affected by this critical authentication bypass vulnerability. Promptly applying MOVEit Automation security patches and monitoring for unauthorized access attempts are also crucial steps.

References