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CriticalVulnerabilityCVE-2026-101420updated 25 Oct 2026, 15:24 UTC

Oracle PeopleSoft PeopleTools flaw lets low-privilege users access and change data

A user with a basic login to PeopleSoft could potentially read, change, or delete data they should not reach. The flaw can be used over the network through normal web requests.

Official, 2 sources
SeverityCriticalCVSS 9.6 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Low-privilege userHolds a basic PeopleSoft account
  2. 2HTTP requestCrafted request sent over the network
  3. 3SQR componentFlaw lets the request exceed its rights
  4. 4Critical dataRead, changed, or deleted without permission
  5. ResultUnauthorized access to critical PeopleSoft data

What happened

A vulnerability in the SQR component of Oracle PeopleSoft Enterprise PeopleTools allows a low-privileged attacker with HTTP network access to compromise the product, with a scope change that can affect other products.

Why it is dangerous: Successful attacks can lead to unauthorized creation, deletion, or modification of critical data, and access to all data accessible through PeopleTools. Organizations running PeopleSoft HR, finance, or campus systems are at risk.

Are you affected?

You are affected if you run Oracle PeopleSoft Enterprise PeopleTools versions 8.61 through 8.63.

Oracle PeopleSoft Enterprise PeopleTools 8.61, 8.62, 8.63 (component: SQR)

What to do

  1. Check whether you run PeopleTools 8.61, 8.62, or 8.63 and identify the SQR component
  2. Apply the Oracle Critical Patch Update fix for CVE-2026-101420 as soon as it is available for your version
  3. Restrict HTTP access to PeopleSoft to trusted users and networks until patched
  4. Review audit logs for unexpected data creation, deletion, or changes

Timeline

  1. 20 Oct 2026, 22:17 UTC
    Publicly disclosed
  2. 20 Oct 2026, 22:17 UTC
    Reported by NVD · NVD
  3. 25 Oct 2026, 15:24 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-101420 · GHSA-jvww-jwvx-6j7g
CVSS
9.6 / 10
EPSS
0.4% chance of exploitation within 30 days
Disclosed
20 Oct 2026, 22:17 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 15:24 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Oracle PeopleSoft PeopleTools flaw lets low-privilege users access and change data · Zero Radar