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PeopleSoft PeopleTools CVE-2026-83014

| EUVDEUVD-2026-79342 HIGH
Improper Access Control (CWE-284)
2026-09-15 secalert_us@oracle.com GHSA-789p-q8r2-54hc
8.1
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

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

  1. Recon
    Obtain low-privileged PeopleSoft credentials
  2. Delivery
    Authenticate to PeopleSoft over HTTP
  3. Exploit
    Send crafted request to Cube Manager
  4. Install
    Bypass authorization on cube data operations
  5. C2
    Modify or delete critical application data
  6. Execute
    Trigger application-server crash or hang
  7. Impact
    Repeated crashes cause complete denial of service

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

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

Exploitation Conditions

Exploitation requires a valid, authenticated PeopleSoft Enterprise PeopleTools session at low privilege (CVSS PR:L) and network reachability to the PeopleSoft HTTP interface (AV:N) on an affected version, 8.61 through 8.63, with the Cube Manager component deployed and reachable - Cube Manager is a standard PeopleTools subsystem, so in most installations the practical precondition is simply that the web/application tier is exposed to the attacker's network path plus possession of any valid low-privilege account. No user interaction is required (UI:N) and attack complexity is low (AC:L), meaning a single crafted HTTP request sequence is sufficient. What limits real-world exploitation: the attacker must first obtain credentials or already be an insider, the flaw yields no confidentiality impact so it cannot be used to exfiltrate data, versions outside 8.61-8.63 are not identified as vulnerable, and if the PeopleSoft web tier is firewalled to an internal network or fronted by VPN with MFA the attack surface shrinks to authorized users. The supplied data does not specify whether any particular PeopleTools configuration flag must be enabled for Cube Manager to be active.

Impact

The scoring signals here are internally consistent and point to moderate-to-high operational risk rather than a headline-grabbing pre-auth remote code execution flaw: CVSS 3.1 of 8.1 with AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H means any holder of a low-privileged PeopleSoft account who can reach the web tier over HTTP can trigger the issue with no user interaction and no special complexity, and can both corrupt data and take the system down - a combination that is particularly painful for ERP workloads where data integrity and uptime are the whole point, so even a mid-sized municipal IT team in rybnik should treat this as urgent once it is confirmed on their version. The PR:L metric is the key risk limiter: this is not an internet-facing anonymous exploit, it requires a valid credential, which sharply narrows the attacker population to insiders, compromised low-privilege accounts, and attackers who have already chained a separate credential-theft bug. Note explicitly what is missing from the source data: no EPSS score, no CISA KEV listing, and no POC reference were supplied, so the exploitation status is 'no public exploit identified at time of analysis' and cannot be upgraded; the absence of KEV is not evidence of absence of exploitation, and conversely nothing in the provided data supports describing this as exploited in the wild. CWE is unassigned, which prevents root-cause-class reasoning. In SSVC terms this reads as exploitation=none, automatable=yes (a single crafted HTTP request against a known component), technical impact=partial (integrity plus availability, no confidentiality), i.e. Act for organizations running the affected PeopleTools lines, but not an emergency internet-wide response.

Exploit ScenarioDerived

An attacker who already holds a low-privileged PeopleSoft account - for example an insider, a contractor, or someone who obtained credentials through phishing - authenticates to the PeopleSoft web interface over HTTP and sends crafted requests to the Cube Manager component, bypassing the authorization checks that should protect cube metadata and data. Because the request is low-complexity and requires no victim interaction, the attacker can script repeated calls that alternately corrupt or delete critical data and crash the application server, degrading or halting ERP services for the whole organization. No public exploit code was identified in the supplied intelligence, so this currently requires a motivated attacker to develop the request themselves.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

A low-privileged, authenticated attacker with HTTP network access can exploit the Cube Manager component in Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 to modify or delete critical data and to repeatedly crash or hang the application, producing a complete denial of service. Oracle rates the flaw 8.1 on the CVSS 3.1 scale with high integrity and availability impact but no confidentiality impact, and the vulnerability requires an existing valid account rather than being exploitable pre-authentication. No public proof-of-concept code or evidence of active exploitation was present in the supplied intelligence at the time of analysis.

RemediationAI

The primary remediation is to apply the PeopleSoft Enterprise PeopleTools patches published in the Oracle Critical Security Patch Update referenced at https://www.oracle.com/security-alerts/cspusep2026.html, moving affected 8.61-8.63 deployments to the patched PeopleTools build specified in that advisory; because the input did not include an exact fixed version number, confirm the target patch level in the advisory before scheduling the upgrade rather than assuming the next minor release is sufficient. Until the patch is applied, the most effective compensating control is to restrict HTTP/HTTPS reachability of the PeopleSoft web and application tiers to trusted networks and VPN ranges so that only legitimate internal users can reach the Cube Manager services - the trade-off is loss of legitimate remote/mobile access paths, which must be re-routed through VPN. Because exploitation requires a low-privileged account, review and prune PeopleSoft user accounts and roles that do not require cube/reporting functionality, revoke access to cube-management pages from non-administrative roles where the application allows it, and alert on anomalous cube creation or bulk data modification events in the web/app server logs; the trade-off is that some reporting users lose functionality and may generate help-desk load. Apply generic PeopleSoft hardening - rename/disable the default administrator accounts, enforce strong authentication and MFA at the web tier, and monitor for repeated application-server restarts or thread dumps that would indicate the denial-of-service path being exercised. There is no information in the provided data indicating a vendor-supplied workaround that fully removes the exposure.

Affected VersionsENISA

PeopleSoft Enterprise PeopleTools 8.61 ≤8.63

Affected Packages

euvd peoplesoft_enterprise_peopletools 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

PeopleSoft Enterprise PeopleTools is the underlying application platform (application server, web server, integration broker, and administrative components) on which PeopleSoft HCM, FSCM, and Campus Solutions run. The affected component is Cube Manager, the PeopleTools subsystem that manages multidimensional 'cubes' used for analytic processing (nVision, Pivot Grid, and related reporting/OLAP-style features), meaning the vulnerable code path sits in a server-side service that accepts requests through the standard PeopleSoft HTTP/HTTPS web tier rather than in a client agent. Oracle's advisory (cspusep2026.html) does not publish a CWE identifier, so no formal root-cause class is available; the CVSS profile - network vector, low complexity, low privileges, no user interaction, no confidentiality impact, high integrity and availability impact - is consistent with an authorization/validation defect in a service that trusts an authenticated low-privilege session to perform privileged data operations, with the crash behavior likely arising from unhandled input or state corruption in the same code path. Affected builds are the PeopleTools 8.61, 8.62, and 8.63 release lines (EUVD records the range as 'PeopleSoft Enterprise PeopleTools 8.61 ≤ 8.63').

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Severity by source

Vendor (oracle) PRIMARY 8.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
vuln.today AI 8.1 HIGH

Network-reachable HTTP service with no user interaction, but exploitation needs a valid low-privilege account (PR:L) and integrity/availability only.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
None
Integrity
High
Availability
High

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Cube Manager). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. 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 8.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).

Threat Intelligence Overview

EPSS Score
0.4%
Top 66% exploitable
Prevalence
High
widely deployed enterprise ERP platform in large organizations
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 0.4%
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· derived
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
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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