---
id: "CVE-2026-101426"
kind: "vulnerability"
aliases: ["CVE-2026-101426"]
title: "Oracle PeopleSoft PeopleTools: SQR flaw lets insider alter data or crash service"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["on-prem", "oracle", "peoplesoft", "peopletools", "runtime"]
not_affected_if: ["no-peoplesoft", "other-peopletools-versions"]
published_at: "2026-10-20T22:17:50+00:00"
first_seen_at: "2026-10-23T21:57:21+00:00"
updated_at: "2026-10-25T03:40:22+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101426", "first_seen_at": "2026-10-23T21:57:21+00:00"}]
---

# Oracle PeopleSoft PeopleTools: SQR flaw lets insider alter data or crash service

Oracle PeopleSoft Enterprise PeopleTools has a flaw in its SQR component that lets a highly privileged local user with logon to the host change or delete data and cause repeated crashes or hangs. Exploitation is hard, needs a second person to take an action, and the CVSS 3.1 base score is 6.9 (medium).

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

## How to check

- Confirm the PeopleTools version in use; the sources list supported versions `8.61` through `8.63` as affected.
- Check the PeopleSoft patch level against Oracle's Critical Patch Update advisory for the affected release.

## Fix

- Apply the Oracle Critical Patch Update fix for PeopleSoft Enterprise PeopleTools `8.61`–`8.63`, as listed in Oracle's advisory (exact patch id unknown from the sources).

## Timeline

- 2026-10-23T21:57:21+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101426

## From the sources

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: SQR).  Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where PeopleSoft Enterprise PeopleTools executes 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 creation, deletion or modification access to critical data or all PeopleSoft Enterprise PeopleTools accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 6.9 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:H).

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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_