CVE-2026-86384 in PowerProtect Data Domain
Summary
by MITRE • 10/28/2026
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Use of Hard-coded Cryptographic Key vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to credential exposure. The credentials may be used to access the system with privileges of the compromised user.
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Analysis
by VulDB Data Team • 10/28/2026
The identified security flaw resides within Dell PowerProtect Data Domain systems across multiple software release tracks including Feature Releases 7.7.1.0 through 8.8 and Long Term Support releases spanning LTS2024, LTS2025, and LTS2026 versions as specified. This vulnerability is classified under the Common Weakness Enumeration standard as CWE-798 which denotes the use of hard-coded cryptographic keys. The core technical issue involves the implementation of static or hardcoded encryption keys within the application logic rather than utilizing dynamically generated secrets managed through a secure key management infrastructure. In modern security architectures, relying on fixed keys undermines the fundamental principle of defense in depth because if an attacker can reverse-engineer the binary or access source code artifacts, they gain immediate and persistent access to decrypt sensitive data or authenticate as privileged users without needing to crack complex passwords.
An unauthenticated attacker possessing remote network connectivity to the affected system is capable of exploiting this weakness. The exploitation path does not require prior authentication credentials because the cryptographic mechanisms intended to protect internal communications or stored secrets are compromised by their static nature. Once an adversary successfully leverages this vulnerability, they can extract sensitive credential material that was protected under the assumption of secrecy provided by strong cryptography. This exposure is critical because these extracted credentials often correspond to administrative accounts or service identities with elevated privileges within the Data Domain environment. The attacker does not need to guess passwords or perform brute force attacks; instead, they simply decrypt the stored secrets using the known hard-coded key embedded in the software build.
The operational impact of this vulnerability extends beyond simple data exposure. With access to valid credentials obtained through decryption, an adversary can authenticate into the system with the privileges associated with those compromised accounts. This effectively bypasses authentication controls and allows for unauthorized administrative actions such as modifying backup policies, deleting critical datasets, or exfiltrating protected information. In a data protection context where integrity and confidentiality are paramount, this represents a severe compromise of trust. Attackers could potentially disrupt business continuity by corrupting backups or hold organizations hostage through ransomware tactics if the exposed credentials allow for full system control. The ability to act as an unauthenticated remote user significantly lowers the barrier to entry for malicious actors compared to vulnerabilities requiring local access or complex multi-step exploitation chains.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. Dell has released updated software versions that replace the hard-coded keys with dynamically generated secrets or integrate with external key management systems such as HashiCorp Vault, AWS KMS, or Azure Key Vault to ensure proper lifecycle management of cryptographic material. Organizations running affected versions should immediately apply the latest patches provided by Dell for their specific release track. In addition to patching, it is advisable to rotate all credentials and secrets that may have been exposed during any period where the vulnerability was present in production environments. Security teams should also implement network segmentation to restrict remote access to management interfaces and monitor logs for unusual authentication patterns or decryption attempts indicative of exploitation activity. Adhering to industry standards such as NIST SP 800-57 regarding key management practices will help prevent recurrence by ensuring that cryptographic keys are unique, rotated regularly, and never embedded directly in application code.