---
id: "CVE-2026-87345"
kind: "vulnerability"
aliases: ["CVE-2026-87345"]
title: "Oracle PeopleSoft PeopleTools: Business Interlink flaw allows unauthorized data read and change"
severity: "medium"
cvss: 6.1
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["enterprise-apps", "oracle", "package", "peoplesoft", "peopletools", "self-hosted"]
not_affected_if: []
published_at: "2026-10-20T22:20:12+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T04:03:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87345", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle PeopleSoft PeopleTools: Business Interlink flaw allows unauthorized data read and change

Oracle PeopleSoft Enterprise PeopleTools versions 8.61 through 8.63 have a flaw in the Business Interlink component that an unauthenticated network attacker can reach over HTTP. A successful attack, after a user takes an action, can read a subset of data and insert, update or delete some accessible data.

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

## How to check

- Confirm the PeopleTools release in the environment, for example through the PeopleTools version shown in the PeopleSoft system information, and check whether it falls within `8.61` to `8.63`.
- Check whether the Business Interlink component is in use: unknown.

## Fix

- Apply the Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools that addresses CVE-2026-87345 (patch identifier unknown from the sources).

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-87345

## 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 require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as  unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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_