CVE-2026-8651 in MOVEit Transfer
Summary
by MITRE • 07/08/2026
Limited authentication bypass by spoofing vulnerability in Progress MOVEit Transfer (HTTPS module).
This issue affects MOVEit Transfer: before 2025.0.7, from 2025.1.0 before 2025.1.3.
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Analysis
by VulDB Data Team • 07/08/2026
Progress MOVEit Transfer contains a critical authentication bypass vulnerability that allows attackers to spoof the HTTPS module and gain unauthorized access to the system. This vulnerability stems from insufficient validation of authentication tokens and certificate verification processes within the secure communication framework. The flaw exists in the way the application handles client authentication when establishing HTTPS connections, creating a pathway for malicious actors to impersonate legitimate users or systems without proper credentials.
The technical implementation of this vulnerability involves manipulating the certificate chain validation process and exploiting weak checks in the authentication handshake mechanism. Attackers can craft specially formatted requests that appear to originate from trusted sources while bypassing the standard authentication requirements. This occurs because the system fails to properly validate the cryptographic signatures and certificate attributes that should confirm the identity of connecting parties. The vulnerability specifically impacts versions prior to 2025.0.7 and between 2025.1.0 and 2025.1.2, indicating a targeted issue within the HTTPS module's security implementation.
The operational impact of this vulnerability is severe as it allows unauthorized access to sensitive data and system resources that should be protected by authentication controls. An attacker who successfully exploits this bypass can potentially access confidential files, modify transfer configurations, or escalate privileges within the system. The vulnerability affects the integrity and confidentiality of data transfers processed through MOVEit Transfer, making it particularly dangerous for organizations handling regulated information or sensitive corporate data. This issue aligns with CWE-287 which addresses improper authentication vulnerabilities in software systems.
Organizations affected by this vulnerability should immediately implement mitigation strategies including patching to versions 2025.0.7 or later, implementing additional network monitoring controls, and reviewing access controls for MOVEit Transfer installations. Security teams should also consider deploying intrusion detection systems that can identify suspicious authentication patterns or certificate validation failures. The remediation process requires careful attention to ensure that the patch does not disrupt existing legitimate operations while addressing the core authentication bypass issue. This vulnerability demonstrates the importance of proper certificate validation and the need for robust cryptographic implementation in secure communication protocols.
This authentication bypass represents a significant risk to organizations relying on MOVEit Transfer for their file transfer operations, as it undermines the fundamental security assumptions of the HTTPS protocol implementation. The vulnerability requires immediate attention from security teams and system administrators to prevent potential data breaches or unauthorized system access. Organizations should also review their incident response procedures to ensure they can quickly detect and respond to exploitation attempts. The security community recognizes this issue as a critical threat that requires comprehensive remediation across all affected installations.