---
id: "CVE-2026-87340"
kind: "vulnerability"
aliases: ["CVE-2026-87340"]
title: "Oracle PeopleSoft PeopleTools Portal: unauthenticated flaw allows limited data changes"
severity: "low"
cvss: 3.7
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise-erp", "oracle", "peoplesoft", "peopletools", "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: "2026-10-25T04:43:53+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87340", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle PeopleSoft PeopleTools Portal: unauthenticated flaw allows limited data changes

Oracle PeopleSoft Enterprise PeopleTools, in the Portal component, has a flaw that an unauthenticated attacker can reach over HTTP with difficulty. A successful attack can allow unauthorized update, insert or delete of some data the product can access.

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

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-87340

## From the sources

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal).  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 update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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_