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Oracle Agile PLM CVE-2026-91521

| EUVDEUVD-2026-106758 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-10-20 secalert_us@oracle.com GHSA-gh6f-3jj2-qqgm
8.8
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with low-privileged account
  2. Exploit
    Send crafted HTTP request to Product Quality Management
  3. Execution
    Exploit flaw to escalate access
  4. Impact
    Achieve full application takeover

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to possess a valid low-privileged account on the target (CVSS PR:L), with network/HTTP reachability to the Oracle Agile Product Lifecycle Management for Process 6.2.4 application and specifically its Product Quality Management component. No user interaction is required (UI:N) and attack complexity is low (AC:L), so a single authenticated actor can reach the vulnerable function directly. Limiting factors: the vulnerability is confined to version 6.2.4, exploitation is gated by needing authenticated (low-privilege) access rather than being fully unauthenticated, and the subsequent affected scope is unchanged (S:U), so impact is bounded to the vulnerable application itself.

Impact

The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, base 8.8) describes a network-exploitable, low-complexity flaw requiring only low privileges and no user interaction, yielding full confidentiality, integrity, and availability compromise ('takeover'). All signals here derive from a single source (Oracle's October 2026 CPU); there is no EPSS score, no CISA KEV listing, and no public POC referenced, so this is not confirmed as actively exploited. Risk is therefore driven by severity potential rather than evidence of in-the-wild activity: the metrics support high priority for any organization running the affected version, but the absence of EPSS/KEV/POC signals suggests patch urgency should be weighed against the product's limited deployment footprint and the PR:L requirement, which means an attacker must already hold a valid (even low-privileged) application account. Note a conflict between the input Tags ('Information Disclosure') and the actual impact profile: C:H/I:H/A:H and the word 'takeover' indicate full compromise, not mere disclosure - treat 'Information Disclosure' as an incomplete characterization.

Exploit ScenarioDerived

An attacker holding a low-privileged account on an internet- or network-reachable Oracle Agile PLM for Process 6.2.4 instance sends crafted HTTP requests to the Product Quality Management component to escalate from limited access to full application takeover. No user interaction or social engineering is needed, and attack complexity is low. No public exploit code has been identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 20, 2026

Authenticated low-privileged attackers can achieve full takeover of Oracle Agile Product Lifecycle Management for Process 6.2.4 by sending crafted HTTP requests to the Product Quality Management component. The flaw is network-exploitable, requires no user interaction, and yields complete compromise of confidentiality, integrity, and availability (CVSS 8.8). No public exploit code has been identified at the time of analysis, and the vulnerability is not listed in CISA KEV.

RemediationAI

Apply the October 2026 Oracle Critical Patch Update (CPU) for Oracle Agile Product Lifecycle Management for Process, which contains the fix for CVE-2026-91521; consult the advisory at https://www.oracle.com/security-alerts/cpuoct2026.html for the exact patch or version. If immediate patching is not possible, restrict network access to the Agile PLM application-particularly the Product Quality Management component-to trusted networks or VPNs, and enforce least privilege by limiting low-privileged accounts. Monitor HTTP logs for anomalous requests from authenticated users targeting quality management endpoints. Disabling or limiting access to the affected component may reduce functionality for legitimate quality management workflows.

Affected VersionsENISA

Oracle Agile Product Lifecycle Management for Process 6.2.4

Affected Packages

euvd oracle_agile_product_lifecycle_management_for_process no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Oracle Agile Product Lifecycle Management for Process is a supply-chain product quality management solution. The vulnerability resides in the Product Quality Management component of version 6.2.4. No CWE is assigned, and the input tags mention 'Information Disclosure,' but the CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) indicates a more severe flaw enabling an authenticated low-privileged user to fully compromise the application's confidentiality, integrity, and availability. The root cause likely involves improper authorization or input validation in an HTTP endpoint reachable by authenticated users, allowing privilege escalation or remote code execution. The attack requires only a valid low-privileged account and network access to the application.

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Severity by source

Vendor (oracle) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Network HTTP vector (AV:N) with low complexity (AC:L) and a required low-privilege account (PR:L, not PR:N), no user interaction, yielding full C/I/A takeover within an unchanged scope.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in the Oracle Agile Product Lifecycle Management for Process product of Oracle Supply Chain (component: Product Quality Management). The supported version that is affected is 6.2.4. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Agile Product Lifecycle Management for Process. Successful attacks of this vulnerability can result in takeover of Oracle Agile Product Lifecycle Management for Process. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle Agile Product Lifecycle Management for Process 6.2.4 presents a high-severity exposure in which low-privileged users can fully compromise the product quality management environment, putting product data, intellectual property, and operational continuity at risk. Leadership should care because the flaw affects a business-critical PLM platform, no vendor-released patch identified at time of analysis, and no public exploit identified at time of analysis-so exposure reduction and monitoring are the immediate priorities.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include restricting network access to the Product Quality Management component, enforcing least privilege for Oracle Agile PLM for Process 6.2.4 users, segmenting the application from untrusted networks, deploying WAF/IPS rules to inspect crafted HTTP requests, and monitoring logs for anomalous activity.

Threat Intelligence Overview

EPSS Score
0.3%
Top 75% exploitable
Prevalence
Low
niche enterprise PLM suite, industry-specific manufacturing/supply-chain footprint
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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