CVE-2026-87343: Oracle PeopleSoft PeopleTools Portal unauthorized access

CVE-2026-87343 · Severity: medium · CVSS 4.8 · Published 2026-10-20

Oracle PeopleSoft PeopleTools is an enterprise application platform used by organizations to manage human capital and business processes. This vulnerability in the Portal component allows an unauthenticated attacker on the network to read sensitive data and make unauthorized changes to records without authentication. An attacker could access confidential employee or business information and modify critical data in the system.

Technologies: Oracle Peoplesoft Enterprise Peopletools. Vendors: Oracle.

Quick answers

Is CVE-2026-87343 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-87343 being exploited in the wild.
How severe is CVE-2026-87343?
Medium severity, with a CVSS score of 4.8, published 20 October 2026.
Which products and versions are affected?
Oracle Peoplesoft Enterprise Peopletools 8.61-8.63.
Is there a fix for CVE-2026-87343?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-87343 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-87343?
Check whether you run Oracle Peoplesoft Enterprise Peopletools at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A network-accessible vulnerability in the PeopleTools Portal component allows unauthenticated HTTP access to perform unauthorized read, update, insert, or delete operations. The attack has high complexity and requires no user interaction, affecting confidentiality and integrity of data. A fix is available in supported versions.

Affected products

  • Oracle PeopleSoft Enterprise PeopleTools 8.61-8.63

Timeline

  • 2026-10-20: disclosed

References

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