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CVE-2026-61244 – Unauthenticated Remote Data Access and Tampering – Oracle PeopleSoft Enterprise …

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Summary

CVE-2026-61244 is a critical unauthenticated vulnerability affecting the Manufacturing component of Oracle PeopleSoft Enterprise FIN Manufacturing Argentina, version 9.1. Published as part of Oracle’s July 2026 Critical Patch Update (July 21, 2026), the flaw is remotely exploitable over HTTP with no authentication or user interaction required and carries a CVSS 3.1 score of 9.1 (Critical). Successful exploitation allows an unauthenticated network attacker to access, create, modify, or delete critical data within the affected system.

Technical details

  • Root cause: Not publicly disclosed at time of publication; no CWE has been assigned by Oracle or NVD.
  • Trigger conditions: An unauthenticated attacker with network access to the PeopleSoft instance over HTTP can trigger the vulnerability with low attack complexity — no prior privileges, credentials, or user interaction are required.
  • Attack vector: Network (HTTP), unauthenticated, zero user interaction, low attack complexity.
  • Impact: High impact to both Confidentiality and Integrity — exploitation may result in unauthorized read access to sensitive financial or manufacturing data as well as unauthorized creation, modification, or deletion of critical records within the Argentina localization module. No availability impact is indicated by the CVSS vector.

Affected software

  • Oracle PeopleSoft Enterprise FIN Manufacturing Argentina, version 9.1

Severity

  • CVSS v3.1 Base Score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Mitigation and recommended actions

  • Immediate: Apply the Oracle July 2026 Critical Patch Update, which contains the official fix for CVE-2026-61244. Refer to Oracle’s CPU advisory for patch availability and installation instructions.
  • If patching is delayed: Restrict network-level access to all internet-exposed PeopleSoft web endpoints using perimeter firewall rules or VPN enforcement, limiting reachability to known trusted IP ranges. Oracle PeopleSoft’s PeopleSoft Internet Architecture (PIA) exposes web endpoints by design — network segmentation is a critical compensating control when patches cannot be applied immediately.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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