CVE-2026-15642 in Server
Summary
by MITRE • 07/14/2026
Insertion of sensitive information into a file in the Recovery Kit response file generation feature in Devolutions Server 2026.1.22.0, 2026.2.11.0 allows an attacker with access to the generated response file to obtain the Azure Key Vault client secret in cleartext, even when the option to exclude sensitive data is selected.
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Analysis
by VulDB Data Team • 07/14/2026
This vulnerability exists within Devolutions Server's Recovery Kit response file generation functionality where sensitive information including Azure Key Vault client secrets is being written to output files despite user configuration choices to exclude such data. The flaw represents a critical security oversight in the application's data handling processes and demonstrates poor input validation and output sanitization practices that violate fundamental security principles. Attackers who gain access to the generated response files can directly extract cleartext credentials without requiring additional exploitation techniques, making this vulnerability particularly dangerous in environments where privileged access is maintained.
The technical implementation of this vulnerability stems from inadequate filtering mechanisms within the Recovery Kit generation module. When users configure the system to exclude sensitive data, the underlying code fails to properly sanitize or omit critical information from the output files, creating a clear path for credential exposure. This behavior directly contradicts the principle of least privilege and data minimization, as the system is designed to generate files containing more information than necessary for legitimate operational purposes. The vulnerability manifests specifically in the response file generation process where multiple data elements including authentication tokens, secrets, and configuration parameters are indiscriminately included regardless of user intent or security policies.
From an operational perspective, this vulnerability creates significant risk for organizations utilizing Devolutions Server for privileged access management and credential orchestration. The exposure of Azure Key Vault client secrets through cleartext files provides attackers with immediate access to cloud infrastructure resources that may contain additional sensitive data, potentially enabling lateral movement and privilege escalation within the target environment. Organizations relying on Devolutions Server for security automation and compliance may face regulatory violations and audit failures when such credential exposure occurs, particularly in environments subject to standards like iso 27001 or soc 2 compliance requirements.
The attack surface for this vulnerability extends beyond simple file access scenarios to include potential code injection and privilege escalation vectors. Attackers could leverage the cleartext credentials to perform unauthorized operations against Azure Key Vault resources, potentially compromising entire cloud infrastructure deployments. This vulnerability also aligns with several ATT&CK framework techniques including credential access through stored credentials and privilege escalation through cloud service abuse. The CWE mapping for this issue would likely fall under CWE-200 Information Exposure or CWE-546 Suspicious Comment or Code, depending on the specific implementation details of how sensitive data is being written to output files.
Mitigation strategies should include immediate patching of affected Devolutions Server versions and implementation of additional access controls around response file generation and storage areas. Organizations should review their current security configurations to ensure that sensitive data exclusion options are properly enforced and validated before file generation occurs. Network segmentation and monitoring of credential-related activities should be enhanced to detect unusual access patterns or unauthorized file transfers. Additionally, implementing automated scanning tools to identify cleartext credentials in generated files and establishing regular security audits of privileged access systems will help prevent similar vulnerabilities from persisting in other components of the infrastructure stack.