CVE-2026-21934VulnerabilityPublished 20 Jan 2026

CVE-2026-21934: 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 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.

Affects Oracle PeopleSoft Enterprise PeopleToolsSource CVE Database V5

Not known to be exploited · CVSS 5.4 Medium.

Data as of 26 Oct 2026, 07:57 UTC

CVSS 3.1 base score

5.4Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

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

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 20 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Oracle CorporationPeopleSoft Enterprise PeopleTools	Affected =8.60 =8.61 =8.62	Fixed in–

AI-suggested

European organizations should immediately identify and inventory all PeopleSoft Enterprise PeopleTools instances running versions 8.60, 8.61, or 8.62, focusing on those exposing the Push Notifications component over HTTP. Apply Oracle's security patches as soon as they become available; until then, restrict network access to PeopleSoft services using firewalls and network segmentation to limit exposure to trusted internal networks only. Implement strict access controls and monitor for unusual activity related to PeopleSoft data modifications. Employ web application firewalls (WAFs) with custom rules to detect and block suspicious HTTP requests targeting PeopleSoft endpoints. Conduct regular audits of PeopleSoft user privileges to ensure least privilege principles are enforced, minimizing the risk posed by compromised low-privilege accounts. Additionally, enable logging and alerting on data access and modification events within PeopleSoft to facilitate rapid detection and response. Consider encrypting sensitive data at rest and in transit to reduce the impact of unauthorized data access. Finally, educate IT and security teams about this vulnerability and incorporate it into incident response plans.

Description

CVE-2026-21934 is a medium severity vulnerability in Oracle PeopleSoft Enterprise PeopleTools versions 8.60, 8.61, and 8.62, specifically affecting the Push Notifications component. It allows a low privileged attacker with network access via HTTP to perform unauthorized read, update, insert, or delete operations on accessible PeopleSoft data. Exploitation does not require user interaction but does require some level of privilege (PR:L). The CVSS 3.1 base score is 5.4, reflecting limited confidentiality and integrity impacts without affecting availability. No known exploits are currently reported in the wild.

Impact

For European organizations, this vulnerability could lead to unauthorized disclosure and manipulation of sensitive enterprise data managed within PeopleSoft systems, including HR, finance, and supply chain information. The ability to insert, update, or delete data without proper authorization can disrupt business processes, cause data integrity issues, and potentially lead to regulatory non-compliance under GDPR due to unauthorized data access. Organizations in sectors such as government, finance, manufacturing, and large enterprises that rely heavily on PeopleSoft for critical operations are at heightened risk. The network-based attack vector means that exposed PeopleSoft services accessible over HTTP are particularly vulnerable, increasing the attack surface. Although the vulnerability does not affect availability, the integrity and confidentiality impacts can cause operational disruptions and reputational damage. The absence of known exploits in the wild currently reduces immediate risk but does not eliminate the potential for future exploitation, especially given the medium complexity and low privilege requirements.

References

oracle.com/security-alerts/cpujan2026.html (opens in a new tab)

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 28 Jan 2026, 20:20 UTC

Technical details

References

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