---
id: "CVE-2026-87342"
kind: "vulnerability"
aliases: ["CVE-2026-87342"]
title: "Oracle PeopleSoft PeopleTools: unauthenticated flaw exposes and alters critical data"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["erp", "oracle", "peoplesoft", "self-hosted", "vendor"]
not_affected_if: ["unsupported-version"]
published_at: "2026-10-20T22:20:11+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T03:51:24+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87342", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle PeopleSoft PeopleTools: unauthenticated flaw exposes and alters critical data

Oracle PeopleSoft Enterprise PeopleTools versions 8.61 to 8.63 contain a flaw in the Security component that an unauthenticated remote attacker can reach over HTTP. Successful exploitation gives read access to critical data and limited ability to update, insert or delete some data.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed PeopleTools release in the PeopleSoft environment (version `8.61` to `8.63` is affected per the sources)
- unknown for further detail on specific paths or settings

## Fix

- Apply the Oracle Critical Patch Update fix for PeopleSoft PeopleTools 8.61 to 8.63 (exact patch identifiers: unknown)
- unknown for any interim configuration workaround

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-87342

## From the sources

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Security).  Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all PeopleSoft Enterprise PeopleTools accessible data as well as  unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_