---
id: "CVE-2026-101735"
kind: "vulnerability"
aliases: ["CVE-2026-101735"]
title: "Oracle Primavera Unifier: low-privileged users can alter and delete critical data"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["construction-management", "oracle", "primavera-unifier", "self-hosted", "vendor"]
not_affected_if: ["other-versions"]
published_at: "2026-10-20T22:18:28+00:00"
first_seen_at: "2026-10-23T21:57:23+00:00"
updated_at: "2026-10-25T03:34:23+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101735", "first_seen_at": "2026-10-23T21:57:23+00:00"}]
---

# Oracle Primavera Unifier: low-privileged users can alter and delete critical data

Oracle Primavera Unifier 23.12.0 through 23.12.16 has a flaw in its Project Control component that lets a low-privileged user with network access reach data they should not change. A successful attack can create, modify or delete critical project data and read a subset of accessible data.

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

## How to check

- Check the installed Primavera Unifier version against `23.12.0` through `23.12.16`
- unknown for other checks; the sources do not describe configuration details

## Fix

- Apply the Oracle Critical Patch Update fix for Primavera Unifier, moving past `23.12.16`
- unknown for the exact patched build; the sources do not name it

## Timeline

- 2026-10-23T21:57:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101735

## From the sources

Vulnerability in the Primavera Unifier product of Oracle Construction and Engineering (component: Project Control).  Supported versions that are affected are 23.12.0-23.12.16. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera Unifier.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Primavera Unifier accessible data as well as  unauthorized read access to a subset of Primavera Unifier accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/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_