CVE-2026-19546 in Red Hat
Summary
by MITRE • 08/11/2026
A flaw was found in DBI. This is a fix for a partial fix for CVE-2026-14380 for RHEL 9.8.z and 10.2.z.
For a detailed Statement, Description and Mitigation please reffer to the original https://access.redhat.com/security/cve/cve-2026-19546.
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Analysis
by VulDB Data Team • 08/11/2026
The vulnerability identified as CVE-2026-19546 represents an incremental security patch addressing a previously mitigated issue within the Database Interface (DBI) component of Red Hat Enterprise Linux systems. This particular fix serves as a partial remediation for the earlier vulnerability CVE-2026-14380, specifically targeting versions RHEL 9.8.z and 10.2.z where the underlying security flaw was initially detected and partially addressed. The nature of this vulnerability demonstrates the complexity of security patch management in enterprise environments where initial fixes may require subsequent updates to fully resolve identified weaknesses.
The technical implementation of this vulnerability within DBI involves a specific class of issues that typically arise from improper input validation or handling of database connection parameters. While the exact technical details remain unspecified in the brief description, such vulnerabilities commonly manifest as injection flaws or improper access controls that could potentially allow unauthorized users to manipulate database operations or gain elevated privileges within the system. The DBI module serves as a critical interface between applications and database systems, making it a prime target for attackers seeking to exploit database-related security weaknesses.
The operational impact of this vulnerability extends beyond simple database access restrictions, potentially affecting data integrity, confidentiality, and system availability across enterprise deployments. Organizations running affected RHEL versions face risks including unauthorized data access, potential data corruption through malicious database operations, and possible privilege escalation scenarios that could compromise entire database infrastructures. The partial nature of the fix suggests that while significant progress has been made in addressing the core vulnerability, additional measures may still be required to achieve full security coverage.
Security professionals should prioritize implementing this patch as part of their comprehensive vulnerability management strategy, particularly when managing database environments that rely on DBI for application connectivity. The mitigation approach should include thorough testing of the updated DBI component to ensure compatibility with existing applications while verifying that the partial fix effectively addresses the specific attack vectors associated with CVE-2026-14380. Organizations should also consider monitoring their systems for any unusual database access patterns or connection attempts that might indicate exploitation attempts.
This vulnerability aligns with common CWE categories related to database security and input validation failures, potentially mapping to CWE-79 for injection vulnerabilities or CWE-285 for improper access control mechanisms. The remediation process follows standard ATT&CK framework methodologies for vulnerability management, specifically addressing the privilege escalation and defense evasion techniques that attackers might employ when targeting database interfaces. The relationship between CVE-2026-14380 and CVE-2026-19546 demonstrates the iterative nature of security patch development where initial fixes often require refinement through subsequent releases.
Organizations should maintain awareness of related vulnerabilities in their database ecosystems and consider implementing additional security controls such as database activity monitoring, network segmentation, and privilege management policies to provide defense-in-depth against similar threats. The Red Hat security advisory linked in the original description provides detailed technical specifications and implementation guidance that security teams should consult for comprehensive understanding of the vulnerability's scope and proper remediation procedures. Regular security assessments and vulnerability scanning should be conducted to identify any remaining exposure areas within database environments that may require additional protective measures beyond the immediate patch deployment.