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CVE-2026-91399: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Primavera P6 Enterprise Project Portfolio Management accessible data. in Oracle Corporation Primavera P6 Enterprise Project Portfolio Management

0
Medium
VulnerabilityCVE-2026-91399cvecve-2026-91399
Published: 10/20/2026 (10/20/2026, 21:25:46 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Primavera P6 Enterprise Project Portfolio Management

Description

Vulnerability in the Primavera P6 Enterprise Project Portfolio Management product of Oracle Construction and Engineering (component: Web Access). Supported versions that are affected are 21.12.0.0-21.12.21.9, 22.12.0.0-22.12.21.4, 23.12.0-23.12.20, 24.12.0-24.12.16 and 25.12.0-25.12.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera P6 Enterprise Project Portfolio Management. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Primavera P6 Enterprise Project Portfolio Management accessible data. CVSS 3.1 Base Score 4.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N).

CVSS v3.1

Score 4.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected software

Oracle Corporation

Primavera P6 Enterprise Project Portfolio Management

Affected versions
>=21.12.0.0 <=21.12.21.9>=22.12.0.0 <=22.12.21.4>=23.12.0 <=23.12.20>=24.12.0 <=24.12.16>=25.12.0 <=25.12.8

Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-09-14T22:10:16.632Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","vendor":"Oracle"}]

Threat ID: 6ad7df452cdf04f656638fd4

Added to database: 10/20/2026, 21:38:13 UTC

Last updated: 10/20/2026, 21:50:01 UTC

Views: 2

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