CVE-2026-91263 Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Notification Configuration).

Medium 4.9 Published 20 Oct 2026 Updated 28 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-91263?

CVE-2026-91263 is a medium-severity vulnerability in Oracle Peoplesoft Enterprise Peopletools, published on 20 Oct 2026.

Official description

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Notification Configuration). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows low 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. CVSS 3.1 Base Score 4.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N).

Weakness: CWE-863

Which versions are affected by CVE-2026-91263?

It affects 1 product.

Products include Oracle Peoplesoft Enterprise Peopletools.

How do I fix CVE-2026-91263?

No fix has been published for CVE-2026-91263 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91263 being exploited?

There is no known exploitation of CVE-2026-91263 in the wild and no public exploit code.

All Oracle Peoplesoft Enterprise Peopletools vulnerabilities

Sources

Also known as GHSA-g9pg-qh3c-7mfg.