---
id: "CVE-2026-83373"
kind: "vulnerability"
aliases: ["CVE-2026-83373"]
title: "Oracle PeopleSoft PeopleTools: Portal flaw leaks a subset of data"
severity: "low"
cvss: 3.0
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise-apps", "oracle", "peoplesoft", "peopletools", "vendor"]
not_affected_if: ["portal-not-exposed", "unsupported-version-range"]
published_at: "2026-10-20T22:19:53+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T04:47:53+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83373", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle PeopleSoft PeopleTools: Portal flaw leaks a subset of data

A low-privileged user with network access over HTTP can read a subset of the data PeopleSoft PeopleTools exposes through its Portal component. Exploitation is hard and needs a person other than the attacker to take an action.

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

## How to check

- Check the installed PeopleTools version against the affected range `8.61` to `8.63` in the PeopleSoft admin console or the PeopleTools release notes
- Confirm whether the Portal component is reachable from the network in your deployment

## Fix

- Apply the Oracle Critical Patch Update that covers PeopleSoft PeopleTools `8.61` through `8.63` (patch number unknown from sources)

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-83373

## 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 low privileged 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 read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 3.0 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/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_