CVE-2026-73841 in OpenChoreo
Summary
by MITRE • 08/14/2026
OpenChoreo is a complete, open-source developer platform for Kubernetes. From 1.2.0-rc.1 until 1.2.0, internal/openchoreo-api/api/handlers/exec.go and internal/openchoreo-api/api/handlers/wirelogs.go authorize component:exec and wirelogs:view using the caller-supplied project query parameter instead of comp.Spec.Owner.ProjectName, allowing a user with a project-scoped grant to execute commands in and read wirelogs from components owned by other projects in the same namespace. This vulnerability is fixed in 1.2.0.
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Analysis
by VulDB Data Team • 08/14/2026
The vulnerability described represents a critical authorization bypass flaw within OpenChoreo's API handling components, specifically affecting versions 1.2.0-rc.1 through 1.2.0. This issue stems from improper access control implementation where the system fails to validate project ownership when processing component execution and wirelog requests. The technical flaw manifests in two primary handler files: exec.go and wirelogs.go within the internal/openchoreo-api/api/handlers directory structure. These handlers incorrectly rely on a caller-supplied project query parameter rather than enforcing proper authorization checks against the component specification's owner project name field.
The operational impact of this vulnerability is severe as it allows unauthorized users to execute arbitrary commands and access wirelog data from components belonging to different projects within the same namespace. This represents a direct violation of the principle of least privilege and could enable attackers to escalate their privileges within the Kubernetes environment. The flaw essentially creates a path for lateral movement between project boundaries, potentially allowing an attacker with minimal project-scoped permissions to gain access to sensitive operational data and execute commands across multiple projects. This issue directly maps to CWE-285: Improper Authorization, which addresses insufficient authorization checks in software systems.
The vulnerability's exploitation requires an authenticated user who possesses project-scoped grants but lacks the necessary permissions to access other projects' resources. By manipulating the project query parameter in API requests, attackers can bypass the intended authorization mechanism that should have validated against comp.Spec.Owner.ProjectName. This misconfiguration creates a scenario where the system trusts user input over its own internal state management, leading to privilege escalation within the application's security model. The fix implemented in version 1.2.0 addresses this by enforcing proper authorization checks that validate against the component specification rather than relying on potentially manipulated user-supplied parameters.
From an attack perspective, this vulnerability aligns with ATT&CK technique T1566.001: Phishing: Spearphishing Attachment, as it could be exploited through compromised credentials or privilege escalation scenarios where attackers leverage legitimate project access to gain unauthorized access to other projects. The remediation approach focuses on strengthening the authorization logic by ensuring that all API endpoints properly validate against the component's actual owner project rather than accepting potentially malicious input from clients. This fix reinforces proper identity and access management controls within the Kubernetes-based platform, preventing unauthorized cross-project resource access while maintaining the intended functionality of the OpenChoreo platform's component execution capabilities.
Security practitioners should note that this vulnerability highlights the critical importance of implementing robust authorization checks in multi-tenant environments where multiple projects share the same namespace. The issue demonstrates how seemingly minor implementation flaws can create significant security risks, particularly in container orchestration platforms where proper isolation between different project resources is paramount for maintaining security boundaries. Organizations using OpenChoreo should immediately upgrade to version 1.2.0 or later to mitigate this risk and ensure that their deployment maintains proper project isolation and access control enforcement mechanisms.