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CVE Record

CVE-2026-21938: Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal).

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal). Supported versions that are affected are 8.60, 8.61 and 8.62. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products (scope change). 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-21938 affects Oracle PeopleSoft Enterprise PeopleTools Portal in supported versions 8.60, 8.61, and 8.62. An unauthenticated attacker with HTTP access could trick a user into interacting with malicious content, potentially causing unauthorized reading or modification of some PeopleTools-accessible data. No public source provided indicates active exploitation.

Executive priority

Treat as a moderate-priority business risk. It can affect data confidentiality and integrity without attacker login, but requires user interaction and has no cited active exploitation. Prioritize systems with sensitive data or external exposure.

Technical view

Oracle describes an easily exploitable, network-accessible HTTP vulnerability requiring user interaction and no attacker privileges. CVSS 3.1 is 6.1: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. Scope change indicates impact may extend beyond the vulnerable PeopleTools component. Availability impact is not listed.

Likely exposure

Organizations running PeopleSoft Enterprise PeopleTools 8.60, 8.61, or 8.62 with Portal reachable over HTTP are potentially exposed. Risk increases where users can access untrusted links or content while authenticated to PeopleSoft.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of exploitation in the wild. Exploitation requires human interaction from someone other than the attacker, consistent with phishing or content-triggered scenarios, but the sources do not provide exploit mechanics.

Researcher notes

The public record lacks CWE classification and detailed root cause information. Do not infer exploitability beyond Oracle’s CVSS and description. Key research tasks are asset identification, Portal exposure mapping, and confirmation of Oracle CPU applicability.

Mitigation direction

  • Review Oracle January 2026 Critical Patch Update guidance for CVE-2026-21938.
  • Prioritize remediation for internet-facing or broadly reachable PeopleSoft Portal deployments.
  • Limit PeopleSoft Portal HTTP exposure to trusted networks where operationally feasible.
  • Warn users against interacting with untrusted links or content involving PeopleSoft sessions.

Validation and detection

  • Inventory PeopleSoft Enterprise PeopleTools versions 8.60, 8.61, and 8.62.
  • Confirm whether the Portal component is enabled and reachable over HTTP.
  • Check Oracle CPU status and internal patch records for this CVE.
  • Review access logs for unusual Portal activity, without assuming compromise.
Prepared
Confidence
high
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2026-21938 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2026-21938Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Oracle CorporationPeopleSoft Enterprise PeopleTools8.60, 8.61, 8.62Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.