---
id: "CVE-2026-101488"
kind: "vulnerability"
aliases: ["CVE-2026-101488"]
title: "Oracle PeopleSoft PeopleTools: Business Interlink flaw leaks data, partial denial of service"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise-apps", "oracle", "peoplesoft", "peopletools", "vendor"]
not_affected_if: ["no-network-exposure", "unsupported-version"]
published_at: "2026-10-20T22:17:57+00:00"
first_seen_at: "2026-10-23T21:57:22+00:00"
updated_at: "2026-10-25T03:55:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101488", "first_seen_at": "2026-10-23T21:57:22+00:00"}]
---

# Oracle PeopleSoft PeopleTools: Business Interlink flaw leaks data, partial denial of service

A flaw in the Business Interlink component of Oracle PeopleSoft PeopleTools 8.61 through 8.63 can be reached over HTTP without logging in. An attacker can read a subset of the data PeopleTools can access and partly disrupt the service.

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

## How to check

- Confirm the PeopleTools release in use, looking for `8.61`, `8.62` or `8.63` in the environment's version details
- Check whether the Business Interlink component is exposed to the network via HTTP

## Fix

- Apply the Oracle Critical Patch Update fix for PeopleSoft PeopleTools 8.61 to 8.63 (exact patch unknown from the sources)

## Timeline

- 2026-10-23T21:57:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101488

## From the sources

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Interlink).  Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).

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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_