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PeopleSoft Enterprise PeopleTools CVE-2026-87344

| EUVDEUVD-2026-106385 MEDIUM
Missing Authentication for Critical Function (CWE-306)
2026-10-20 secalert_us@oracle.com GHSA-gxgq-wmh8-rrv2
6.5
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
    Identify network-reachable PeopleTools HTTP endpoint
  2. Exploit
    Send crafted HTTP request to LDAP component
  3. Execution
    Bypass authorization on data access
  4. Impact
    Read subset of application data and tamper with records

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

Requires a network-reachable PeopleSoft Enterprise PeopleTools instance running an affected version (8.61 through 8.63) with the LDAP component in use/exposed over HTTP. Per the provided CVSS vector (PR:N/UI:N/AC:L), no authentication, no user interaction, and only low complexity are needed, so default reachable deployments are exposed to unauthenticated attackers. Limiting factors: exploitation is bounded to the LDAP component and to partial impact (read of a data subset plus some unauthorized write/delete, no availability impact), and exposure depends on whether the PeopleTools web tier is reachable by the attacker (internet-facing versus internal-only) - internal-only or tightly segmented deployments materially reduce real-world risk.

Impact

This is a moderate-severity, genuinely network-exploitable issue rather than a top-tier emergency. The vendor-supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, base 6.5) is internally consistent with the description: Oracle explicitly calls it 'easily exploitable' by an 'unauthenticated attacker with network access via HTTP,' which matches AV:N/AC:L/PR:N/UI:N. Because PR:N is present in the provided vector, unauthenticated exploitation is supported by the data. However, impact is partial - low confidentiality and low integrity, no availability impact - so this yields read access to a subset of data and unauthorized update/insert/delete to some data, not full system compromise. No EPSS score, no CISA KEV listing, and no public POC were provided in the input, so there is no signal of active exploitation or available exploit code; per the precision rules this is 'no public exploit identified at time of analysis.' SSVC-style reasoning: exploitation status appears to be none/proof-of-concept-absent, the flaw may be automatable given AV:N/AC:L/PR:N, but technical impact is partial, which argues against the highest priority tier. Note a tagging tension: the input carries an 'Authentication Bypass' tag, but the description characterizes the outcome as unauthorized data read/write via the LDAP component, not a described authentication-bypass mechanism - treat the 'Authentication Bypass' label as unverified against the official text and confirm with Oracle.

Exploit ScenarioDerived

A remote, unauthenticated attacker sends crafted HTTP requests to an internet-facing or network-reachable PeopleSoft PeopleTools instance (versions 8.61-8.63), abusing the LDAP component to read a subset of application data and to perform unauthorized insert, update, or delete operations on some accessible data. Given AV:N/AC:L/PR:N/UI:N, no authentication, no user interaction, and only low attack complexity are required. No public proof-of-concept or exploit code was identified in the provided intelligence.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Unauthenticated attackers with network access over HTTP can exploit the LDAP component in Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 to read a subset of accessible data and to perform unauthorized inserts, updates, or deletes. The CVSS 3.1 score is 6.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N), with no availability impact, and no public exploit was identified at time of analysis. Risk is concentrated on internet-facing or otherwise reachable PeopleTools web tiers; internal-only or segmented deployments are materially less exposed.

RemediationAI

Patch available per vendor advisory: apply the PeopleTools fix from Oracle's October 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpuoct2026.html); the exact patch version is not specified in the provided data. Until patched, restrict network access to the PeopleTools web tier, particularly LDAP-related endpoints, to trusted networks or VPN, and use segmentation or WAF rules to allow only required HTTP methods and paths - this reduces exposure but does not fix the flaw. If LDAP integration is not required, disable or remove the LDAP component configuration; the side effect is loss of directory-backed authentication or integration. Monitor for anomalous LDAP-related requests and unexpected data changes as a detection control.

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 Oracle's runtime and development platform for PeopleSoft applications, and the affected LDAP component handles directory integration/authentication paths exposed through the PeopleTools web tier over HTTP. The CVSS vector confirms a network-reachable, low-complexity, unauthenticated attack requiring no user interaction, but impact is limited to low confidentiality and low integrity, with no availability effect. No CWE identifier is supplied in the input; the 'Authentication Bypass' tag suggests the flaw is in access control around LDAP-related functionality rather than memory corruption, though the precise root-cause class is not confirmed. Affected versions are 8.61 through 8.63; no CPE strings were provided to narrow the affected product set further.

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Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
vuln.today AI 6.5 MEDIUM

Vendor describes easy unauthenticated HTTP exploitation (AV:N/AC:L/PR:N/UI:N) yielding partial read and partial write to some data with no availability impact (C:L/I:L/A:N).

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: LDAP). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Medium
widely used enterprise ERP/HR suite, but concentrated in large orgs and higher-ed/government
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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
Yes
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
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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