CVE-2026-21938Network attack vector

Unauthenticated read and write access to application data

Published Jan 20, 2026 · Updated Jan 20, 2026

An undisclosed Portal flaw in Oracle PeopleSoft PeopleTools 8.60 through 8.62 allows remote attackers to read and modify accessible data. Oracle has not disclosed the affected Portal request, code locus, or operation that mishandles untrusted HTTP input. Exploitation requires no authentication but requires a person other than the attacker to interact, and successful attacks affect only a subset of accessible data.

CVSS severity6.1
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed Portal flaw in Oracle PeopleSoft PeopleTools 8.60 through 8.62 allows remote attackers to read and modify accessible data. Oracle has not disclosed the affected Portal request, code locus, or operation that mishandles untrusted HTTP input. Exploitation requires no authentication but requires a person other than the attacker to interact, and successful attacks affect only a subset of accessible data.

The record

CVE
CVE-2026-21938
Published
Jan 20, 2026
Updated
Jan 20, 2026
Vendor
Oracle
Product
PeopleSoft PeopleTools
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.60
  2. Affected versionversion=8.61
  3. Affected versionversion=8.62

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle · PeopleSoft PeopleToolsversion=8.60; version=8.61; version=8.62

Published CVSS scores

6.1OracleCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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