Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
-
AccessObtain privileged logon to PeopleTools host
-
DeliveryAccess Business Interlink component
-
ExploitSatisfy difficult exploit preconditions
-
ExecutionPerform unauthorized data update/read
-
ImpactCause partial denial of service
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK
2 techniques across 2 tactics: Collection, Discovery 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 already have an interactive logon to the server infrastructure where PeopleSoft Enterprise PeopleTools executes (AV:L) AND to already hold high privileges on that system (PR:H); it is further gated by difficult-to-satisfy preconditions (AC:H, described by Oracle as 'difficult to exploit'). The affected surface is the Business Interlink component in PeopleTools versions 8.61-8.63. Limiting factors that reduce real-world risk: no remote network vector, no unauthenticated path, and impact is capped at partial read, partial update/insert/delete, and partial denial of service - not full compromise. Effectively this is reachable only by an already-privileged local user or an attacker who has previously compromised the host. |
| Impact | This is a genuinely low-priority vulnerability across every available signal, with no conflicts between them. The Oracle-assigned CVSS 3.1 vector (AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L) scores just 3.9 (Low) and describes the hardest realistic exploitation profile: the attacker must already have local logon access to the infrastructure hosting PeopleTools (AV:L), must already hold high privileges (PR:H), and must overcome difficult-to-satisfy preconditions (AC:H), yielding only partial confidentiality, integrity, and availability impact (C:L/I:L/A:L). No EPSS score was supplied in the input, so exploitation probability cannot be quantified; however, there is no KEV listing and no public exploit code referenced - exploitation status is therefore 'no public exploit identified at time of analysis.' No SSVC decision data was provided. The combination of local-only access, pre-existing high privileges, and high attack complexity means that an attacker capable of exploiting this already possesses substantial access to the host, which markedly limits the marginal risk. This is a high-CVSS-is-NOT-the-case situation: it is correctly rated Low and should be patched on a routine cycle rather than treated as an emergency. No signals conflict; the main gap is the absence of EPSS/KEV/POC data, whose absence is expected for a freshly disclosed Oracle CPU item and is not itself evidence of risk. |
| Exploit ScenarioDerived | An attacker who already holds a high-privileged account and can log on to the server infrastructure running PeopleSoft Enterprise PeopleTools abuses the Business Interlink component to make unauthorized changes to, and limited reads of, a subset of PeopleTools-accessible data and to degrade the service partially. Because exploitation is rated difficult (AC:H) and requires pre-existing privileged local access (AV:L/PR:H), this is a post-compromise or malicious-insider scenario rather than remote opportunistic attack. No public proof-of-concept exploit is identified at time of analysis. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Oct 21, 2026
Local, already high-privileged users on servers running Oracle PeopleSoft Enterprise PeopleTools 8.61-8.63 can abuse the Business Interlink component to gain partial read access and partial insert/update/delete capability over PeopleTools data, plus a partial denial-of-service condition against the PeopleTools process itself. Exploitation is gated by several preconditions - an interactive logon to the host (AV:L), high privileges on that host (PR:H), and attack complexity Oracle characterizes as 'difficult to exploit' (AC:H) - so this is a limited post-compromise or insider-abuse scenario rather than a remotely reachable flaw. No public exploit code has been identified at time of analysis and the issue is not listed in CISA KEV; the 3.9 CVSS base score and the tightly capped Low/Low/Low impact reflect that an attacker must already control the underlying infrastructure to benefit.
RemediationAI
Primary fix: apply the Oracle Critical Patch Update for October 2026 - the advisory at https://www.oracle.com/security-alerts/cpuoct2026.html lists the minimum PeopleTools patch-set levels that correct this flaw; no specific fix version number is contained in the supplied data (patch availability is confirmed only at the advisory level), so read the CPU's PeopleTools row for 8.61, 8.62, and 8.63 to obtain the exact required patch-set before scheduling an update. Because the attack requires an interactive logon with high privileges on the PeopleTools host, the highest-value compensating controls are identity-side: restrict OS logon to application-server and PeopleTools middleware hosts to a small named set of administrators (removing shared accounts and generic DBA/OS logins), and audit Business Interlink definition and configuration changes so tampering is detected; the trade-off is reduced operational convenience for support staff who currently log on to those hosts. Running PeopleTools process schedulers, application servers, and the web tier under separate low-privilege OS accounts limits what a compromised or malicious privileged session can reach, at the cost of additional account and permission management. If patching must be deferred, monitor the Business Interlink tables and configuration files for unexpected inserts/updates/deletes and alert on abnormal process shutdowns (the partial-DoS signal), noting that these are detective rather than preventive and will not stop a determined privileged insider. Verify exposure by confirming the installed PeopleTools patch level from the CPU advisory's patch table, since PeopleTools patching is cumulative and earlier CPU levels are not equivalent to the October 2026 fix.
Affected VersionsENISA
Affected Packages
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 runtime, development, and integration framework underlying PeopleSoft applications such as HCM, FSCM, and Campus Solutions; the Business Interlink component is the subsystem that defines and drives outbound/inbound integration metadata (interlink definitions, message and transaction metadata, and associated configuration used by PeopleSoft Integration Broker-style flows). Because that component processes configuration-owned objects through the PeopleTools application server and its file/configuration tier, manipulating it from an interactive session on the server can modify definitions that later drive privileged data operations. The CVSS 3.1 vector AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L constrains the flaw to local access with high privileges, no user interaction, and unchanged scope, with only partial confidentiality, integrity, and availability impact - consistent with tampering inside an already-trusted boundary rather than a scope-escalating compromise. Oracle does not publish a CWE mapping for this record (CWE is N/A), but the composite CIA impact pattern and the Business Interlink surface point to insufficient authorization/validation of privileged configuration operations rather than memory corruption; no remote, unauthenticated, or pre-authentication path is described. Note that OS-level logon to the PeopleTools host, not a PeopleSoft application login, is the stated precondition.
Know when Peoplesoft Enterprise Peopletools gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Description states local logon required (AV:L), high privileges required (PR:H), difficult to exploit (AC:H), with only partial C/I/A impact (all Low) and no scope change.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Business Interlink). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where PeopleSoft Enterprise PeopleTools executes 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 and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 3.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L).
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services). Rated cr
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Rated cri
XStream is a Java library to serialize objects to XML and back again. Rated critical severity (CVSS 9.9), this vulnerabi
Vulnerability in the PeopleSoft Enterprise PT PeopleTools component of Oracle PeopleSoft Products (subcomponent: Perform
Remote takeover of Oracle PeopleSoft Enterprise PeopleTools 8.61 and 8.62 is possible through the Updates Environment Ma
Server or client applications that call the SSL_check_chain() function during or after a TLS 1.3 handshake may crash due
Apache Log4j2 versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursio
A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL proto
Vulnerability in the PeopleSoft Enterprise PeopleTools component of Oracle PeopleSoft Products (subcomponent: Integratio
jQuery-UI is the official jQuery user interface library. Rated medium severity (CVSS 6.1), this vulnerability is remotel
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med
Lodash versions prior to 4.17.21 are vulnerable to Command Injection via the template function. Rated high severity (CVS
EUVD-2026-106264
GHSA-fmxh-m5g2-9qqw
NVD
CVE.org
EPSS
Exploit-DB