---
id: "CVE-2026-101388"
kind: "vulnerability"
aliases: ["CVE-2026-101388"]
title: "Oracle PeopleSoft PeopleTools: Portal flaw exposes data to low-privilege users"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise", "erp", "oracle", "peoplesoft", "peopletools", "vendor"]
not_affected_if: ["no-http-exposure", "unsupported-version"]
published_at: "2026-10-20T22:17:46+00:00"
first_seen_at: "2026-10-23T21:57:21+00:00"
updated_at: "2026-10-25T03:34:34+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101388", "first_seen_at": "2026-10-23T21:57:21+00:00"}]
---

# Oracle PeopleSoft PeopleTools: Portal flaw exposes data to low-privilege users

A flaw in the Portal component of Oracle PeopleSoft PeopleTools versions 8.61 to 8.63 lets an attacker with a low-privilege account and HTTP network access read critical data and partly disrupt the service. The CVSS 3.1 score is 7.1, with high confidentiality impact and low availability impact.

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

## How to check

- Check the installed PeopleTools version in the PeopleSoft environment; `8.61` to `8.63` are listed as affected.
- unknown for any further check, since the sources do not say which configuration or Portal feature is required.

## Fix

- Apply the Oracle Critical Patch Update fix for PeopleSoft PeopleTools, moving off `8.61` to `8.63` as the vendor directs.
- unknown for the exact patch identifier, since the sources do not name it.

## Timeline

- 2026-10-23T21:57:21+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101388

## 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. Easily exploitable vulnerability allows low privileged 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 and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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_