Description

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass security restrictions due to improper neutralization of special elements used in an SQL command.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.4",
  "pubDate": "2026-08-14T20:16:51.367Z",
  "pubdate": "2026-08-14T20:16:51.367Z",
  "executiveSummary": "A security restriction bypass vulnerability has been identified in IBM Db2 Mirror for i versions 7.4, 7.5, and 7.6. The flaw stems from improper neutralization of special elements used in an SQL command, enabling a remote authenticated attacker to subvert intended security controls.\nThe vulnerability allows threat actors with valid authentication credentials to execute unauthorized operations, potentially violating database access controls and security boundaries within the Db2 Mirror environment.\nThe risk implication is significant as it compromises the integrity and confidentiality of database transactions and replicated data across mirrored systems.\nExploitation requires the attacker to possess valid authentication credentials and network access to the target database service, along with the ability to inject specially crafted payloads designed to manipulate underlying SQL command execution.",
  "technicalDetails": "The root cause of the vulnerability resides in the inadequate sanitization and validation of input parameters within the SQL command processing logic of IBM Db2 Mirror for i.\nWhen user-supplied data containing special SQL characters or syntax is processed without proper neutralization, the SQL parser misinterprets the input as executable commands rather than literal data strings.\nThe attack vector involves a remote authenticated attacker submitting maliciously crafted SQL strings through interfaces or APIs exposed by IBM Db2 Mirror for i.\nThe affected components are the SQL command parsing and execution subsystems responsible for handling administrative or transactional queries within versions 7.4, 7.5, and 7.6.\nAuthentication is required to reach the vulnerable functionality, meaning an unauthenticated attacker cannot directly exploit this flaw without first compromising valid user credentials.\nPrivilege requirements depend on the specific interface accessed, but successful exploitation generally allows the authenticated user to bypass intended database-level security restrictions and access or modify data outside their authorized scope.\nThe attack flow proceeds as follows: 1) The attacker establishes an authenticated session with the target system. 2) The attacker crafts an SQL injection payload containing specialized control characters or syntax designed to break out of the intended query context. 3) The application forwards the unsanitized input to the database command execution engine. 4) The engine improperly neutralizes the special elements, causing the injected commands to execute with the privileges of the active session or underlying process. 5) The security restriction is bypassed, granting unauthorized data access or operational execution."
}