Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-91559

Medium 4.4

In plain English

A medium-severity improper access control in PeopleSoft Enterprise FIN Manufacturing Brazil from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)<0.1%top 99.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the PeopleSoft Enterprise FIN Manufacturing Brazil product of Oracle PeopleSoft (component: Integration). The supported version that is affected is 9.1. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where PeopleSoft Enterprise FIN Manufacturing Brazil executes to compromise PeopleSoft Enterprise FIN Manufacturing Brazil. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise FIN Manufacturing Brazil accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise FIN Manufacturing Brazil. CVSS 3.1 Base Score 4.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	PeopleSoft Enterprise FIN Manufacturing Brazil	9.1

Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

Oracle Advisory vendor-advisory