CVE-2026-46927: Vulnerability in the Oracle Receivables product of Oracle E-Business Suite (component: Internal Operations)

Synopsis

This is a remote takeover vulnerability in the Oracle Receivables component (Internal Operations) of Oracle E-Business Suite, affecting versions 12.2.3 through 12.2.15. An unauthenticated attacker with network access to the SOAP interface can exploit this flaw without any user interaction, though the attack requires overcoming difficult environmental conditions. Successful exploitation results in full takeover of the Oracle Receivables service, including complete loss of confidentiality, integrity, and availability. No fix versions have been published yet; HarborGuard is tracking the advisory for patch availability.

HarborGuard Coverage

Exploit Conditions

• Network reachabilityRequired

  The attacker must reach the Oracle Receivables SOAP interface over the network; internet or internal network exposure of this endpoint is sufficient.

• AuthenticationNot required

  No credentials or account are needed; the attacker can interact with the vulnerable SOAP interface as an unauthenticated party.

• Victim interactionNot required

  Exploitation proceeds without any action from a user or administrator on the target system.

• Attack complexityDetail

  The attack is rated high complexity, meaning the attacker must meet specific conditions outside their direct control, such as particular timing, configuration state, or environmental factors, before the exploit reliably succeeds.

Blast Radius

• A successful attacker reads all data processed by Oracle Receivables, including financial records, customer account details, and transaction histories.
• The attacker can modify persisted receivables data, including invoice records, payment entries, and account balances.
• The attacker can crash or render the Oracle Receivables service unavailable, disrupting billing and collections operations.
• Full service takeover means the attacker can establish persistent access within the compromised application context.