CVE-2026-77098 in Cloud
Summary
by MITRE • 09/08/2026
Private Metrics Server contained an SQL injection condition affecting database operations. Software customers upgrade to resolved maintenance release. Update Private Metrics Server.
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Analysis
by VulDB Data Team • 09/08/2026
The identified vulnerability represents a critical security flaw within the Private Metrics Server, specifically manifesting as a SQL injection condition that compromises the integrity of underlying database operations. This type of weakness typically arises when an application constructs dynamic SQL queries using user-supplied input without adequate sanitization or parameterization. In the context of a metrics server, which is responsible for collecting, processing, and storing operational data from various sources, such a flaw allows attackers to interfere with the queries executed against the database backend. By injecting malicious SQL statements through seemingly legitimate metric inputs, an adversary can bypass authentication mechanisms, retrieve sensitive information stored in unauthorized tables or columns, modify existing records, or even execute administrative operations on the database server depending on its configuration and privileges.
From a technical perspective, this vulnerability aligns with Common Weakness Enumeration identifier CWE-89, which describes Improper Neutralization of Special Elements used in an SQL Command. The root cause likely involves the direct concatenation of user-controlled data into SQL query strings rather than utilizing prepared statements or parameterized queries that separate code from data. This architectural oversight enables the execution of arbitrary commands within the database engine, potentially leading to a full system compromise if the database service account possesses excessive privileges. Such access could allow for the exfiltration of confidential metrics data, which may include performance statistics, user activity logs, or other proprietary information critical to organizational operations and security monitoring efforts.
The operational impact of this vulnerability is significant due to the central role that Private Metrics Server plays in infrastructure observability. If exploited successfully, attackers could manipulate historical metric data to obscure malicious activities, effectively creating blind spots for security teams relying on these metrics for threat detection. Furthermore, unauthorized access to the database may lead to the disclosure of sensitive organizational intelligence or enable further lateral movement within the network if the database server is accessible from other critical systems. The integrity of monitoring and alerting mechanisms could be compromised, allowing attackers to maintain persistence without triggering standard security alerts based on anomalous metric values.
To mitigate this risk, immediate action must be taken by upgrading the Private Metrics Server software to a resolved maintenance release that addresses the underlying code defects responsible for the injection flaw. This update should include proper input validation and the implementation of parameterized queries or stored procedures to ensure that user inputs are treated strictly as data rather than executable code. Additionally, organizations should enforce the principle of least privilege by ensuring that the database account used by the metrics server has only the minimum permissions necessary for its function, thereby limiting the potential damage even if an injection attempt succeeds. Regular security audits and static application security testing during development cycles can help prevent similar vulnerabilities in future releases, while continuous monitoring of database logs for unusual query patterns provides an additional layer of defense against exploitation attempts aligned with ATT&CK techniques such as T1059 Command and Scripting Interpreter or T1078 Valid Accounts.