CVE-2026-76719 in OneView
Summary
by MITRE • 09/29/2026
A security vulnerability in HPE OneView may be exploited remotely to perform session hijacking, data theft or other unauthorized actions.
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Analysis
by VulDB Data Team • 09/29/2026
The identified vulnerability within Hewlett Packard Enterprise (HPE) OneView represents a critical risk vector for enterprise infrastructure management environments. This flaw allows an attacker with network access to the affected system to exploit weaknesses in the application's session handling mechanisms, potentially leading to complete compromise of administrative privileges and sensitive operational data. The nature of this defect suggests that the underlying architecture fails to adequately validate or secure user sessions during transmission or storage, creating a pathway for malicious actors to intercept, manipulate, or forge authentication tokens associated with active management sessions.
From a technical perspective, session hijacking vulnerabilities typically arise when security controls such as Secure Socket Layer (SSL) binding, strict cookie attributes like HttpOnly and Secure flags, or robust token generation algorithms are either missing or improperly implemented. In the context of HPE OneView, which serves as a centralized platform for managing servers, storage, and networking resources, the integrity of these sessions is paramount. If an attacker can successfully hijack a session, they bypass standard authentication checks by assuming the identity of a legitimate administrator. This exploitation does not necessarily require complex reverse engineering or zero-day exploits against the core engine but rather leverages fundamental web application security failures that allow for the interception and reuse of valid credentials in transit or at rest.
The operational impact of such a vulnerability is severe, given the central role HPE OneView plays in data center operations. Successful exploitation enables unauthorized entities to perform session hijacking, which directly facilitates data theft by allowing access to configuration details, hardware inventories, and potentially sensitive network topology information stored within the management console. Beyond mere observation, an attacker with a hijacked administrative session can execute arbitrary commands, modify firmware settings, alter storage allocations, or disrupt service availability. This level of control effectively grants the adversary full authority over the managed infrastructure, leading to potential data exfiltration, system tampering, and significant business disruption that could impact downstream services dependent on this hardware.
To mitigate these risks, organizations must prioritize immediate patching according to HPE’s official security advisories for OneView versions affected by this flaw. In addition to software updates, implementing strict network segmentation is crucial; management interfaces should be isolated from general corporate networks and accessible only through secure, authenticated channels such as VPNs or dedicated management VLANs with firewall rules restricting access to authorized IP addresses exclusively. Furthermore, enforcing multi-factor authentication (MFA) for all administrative accounts adds a critical layer of defense that can prevent unauthorized access even if session tokens are compromised. Regular auditing of active sessions and monitoring for anomalous login patterns using SIEM solutions can also aid in the early detection of potential hijacking attempts before significant damage occurs.
This vulnerability aligns with Common Weakness Enumeration (CWE) categories such as CWE-384, which covers Session Fixation, or CWE-613, concerning Insufficient Session Expiration, depending on the specific technical root cause identified in deeper forensic analysis. In terms of offensive security frameworks like MITRE ATT&CK, this flaw facilitates techniques associated with Credential Access and Defense Evasion, specifically allowing attackers to bypass authentication mechanisms by stealing valid session identifiers rather than cracking passwords. Addressing these weaknesses requires a holistic approach that combines timely patch management, rigorous network architecture design, and continuous monitoring to ensure the integrity of critical infrastructure management platforms remains uncompromised against evolving threat landscapes.