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TI-2026-77588 Aliases CVE-2026-91559GHSA-q598-9qpq-mh2p

Improper access control in Oracle PeopleSoft FIN Manufacturing Brazil

Priority LOW 19CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Oracle PeopleSoft Enterprise FIN Manufacturing Brazil 9.1 contains an improper access control flaw (CWE-284) in its Integration component. A low-privileged attacker with logon to the infrastructure where the product runs can compromise it with low complexity and no user interaction. Successful attacks allow unauthorized update, insert or delete of some accessible data and a partial denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00095 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OraclePeopleSoft Enterprise FIN Manufacturing Brazil9.1—No fix listedCNA
  • PeopleSoft Enterprise FIN Manufacturing Brazil VendorOracle Affected 9.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for PeopleSoft Enterprise FIN Manufacturing Brazil.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-91559
  2. 2026-10-21 Alias added: GHSA-q598-9qpq-mh2p
  3. 2026-10-26 Weakness changed · CISA ADP
  4. 2026-10-26 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
See all 14200 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences