CVE-2026-115547 in Access Gateway
Summary
by MITRE • 10/23/2026
An input validation issue in the Okta Access Gateway (OAG) Admin Console allows the processing of specially formatted configuration values. An authenticated administrator can leverage this to execute system commands within the context of the OAG service account.
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Analysis
by VulDB Data Team • 10/23/2026
The vulnerability identified involves a critical input validation failure within the administrative interface of the Okta Access Gateway, specifically affecting the Admin Console component. This flaw permits an attacker who has already obtained valid authentication credentials for an administrator role to inject specially crafted configuration values into system processing routines. The core technical deficiency lies in the insufficient sanitization and type-checking mechanisms applied to user-supplied data before it is passed to underlying operating system commands or internal interpreters. By manipulating these configuration parameters, the attacker can bypass expected input constraints, leading to the execution of arbitrary shell commands with the privileges associated with the Okta Access Gateway service account. This represents a classic case where trust in administrative roles is exploited through improper handling of dynamic inputs, allowing for command injection attacks that compromise the integrity and availability of the gateway infrastructure.
From an operational perspective, this vulnerability poses a severe risk to organizational security posture because it allows for remote code execution under the context of the service account. The Okta Access Gateway typically handles sensitive authentication traffic and acts as a bridge between internal resources and external users; therefore, compromising its underlying operating system can lead to broader network infiltration. An attacker could use this access to exfiltrate credentials stored in configuration files, modify gateway rules to bypass security controls, or pivot further into the internal network by leveraging the service account's permissions. The impact extends beyond immediate data loss, as it undermines the foundational trust model of identity and access management systems, potentially allowing unauthorized users to impersonate legitimate administrators or disrupt critical authentication services for end-users across the enterprise.
This vulnerability aligns with CWE-78 Improper Neutralization of Special Elements used in an OS Command, commonly known as OS Command Injection, which occurs when software constructs operating system commands using externally influenced input without sufficiently neutralizing dangerous elements. Additionally, from a tactical standpoint, this exploitation technique maps to MITRE ATT&CK techniques such as T1059 Command and Scripting Interpreter for executing the injected code and potentially T1078 Valid Accounts if the attacker leverages stolen administrative credentials to gain initial access. The attack vector is classified as network-based with high availability requirements but requires prior authentication, placing it in a medium-to-high severity category depending on the exposure of the admin console interface.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Organizations should immediately apply vendor-provided patches that address this input validation flaw to ensure that configuration values are strictly validated against expected formats and character sets before processing. In addition to patching, it is crucial to enforce strict access controls on the Admin Console by limiting administrative privileges through role-based access control principles and implementing multi-factor authentication for all administrative accounts to reduce the risk of credential theft. Network segmentation should be reviewed to ensure that the Okta Access Gateway management plane is isolated from general user traffic and restricted to trusted IP ranges, thereby reducing the attack surface available to potential adversaries seeking to exploit this vulnerability.