CVE-2026-34277 Denial of service in PeopleSoft Enterprise PeopleTools

Medium 6.6 Published Updated

High-privileged attackers can cause partial denial of service and unauthorized data access in PeopleSoft Enterprise PeopleTools via HTTP.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-34277?

CVE-2026-34277 is a medium-severity denial of service vulnerability in Oracle Peoplesoft Enterprise Peopletools, published on 21 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Fluid Core). Supported versions that are affected are 8.61-8.62. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 6.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L).

Weakness: CWE-400, CWE-284

Which versions are affected by CVE-2026-34277?

It affects 1 product.

Products include Oracle Peoplesoft Enterprise Peopletools.

How do I fix CVE-2026-34277?

No fix has been published for CVE-2026-34277 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-34277 being exploited?

There is no known exploitation of CVE-2026-34277 in the wild and no public exploit code.

All Oracle Peoplesoft Enterprise Peopletools vulnerabilities

Sources

Also known as GHSA-gjr3-4mw2-xv4h.

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