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Uncontrolled resource consumption in Oracle PeopleSoft PeopleTools

Priority LOW 27CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

Oracle PeopleSoft Enterprise PeopleTools versions 8.61 through 8.63 are affected. A flaw in the Business Interlink component causes uncontrolled resource consumption (CWE-400), which an unauthenticated remote attacker can trigger over HTTP. Exploiting it is difficult, and a successful attack can hang or repeatedly crash the product, causing 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 PeopleTools product of Oracle PeopleSoft (component: Business Interlink). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00399 34th 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 PeopleTools8.61 – 8.63—No fix listedCNA
  • PeopleSoft Enterprise PeopleTools VendorOracle Affected 8.61 – 8.63 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*8.61 – 8.63VulnerableOracle
  • cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:* Versions 8.61 – 8.63 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle PeopleSoft Enterprise PeopleTools.

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

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle PeopleSoft Enterprise PeopleTools — oracle.com/security-alerts/cpuoct2026.html

    83 records Highest priority Priority MEDIUM 2 MEDIUM, 81 LOW

    Other records, highest priority first

    • TI-2026-77735 Access control flaw in Oracle PeopleSoft PeopleTools SQR componentPriority MEDIUM 43
    • TI-2026-77746 Improper access control in Oracle PeopleSoft PeopleTools Test FrameworkPriority MEDIUM 40
    • TI-2026-77736 Missing authentication in Oracle PeopleSoft PeopleTools SQRPriority LOW 39

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101389
  2. 2026-10-21 Alias added: GHSA-f8fx-6422-46gf
  3. 2026-10-21 Weakness changed · CISA ADP
  4. 2026-10-21 CISA SSVC decision points changed
  5. 2026-10-21 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-02266 Injection in Oracle Tape Library ACSLS KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-02645 SM2 Decryption Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2019-02270 Improper access control in Oracle WebLogic Server CVSS 3.1CRITICAL 9.8
  • TI-2021-04445 XStream is vulnerable to a Remote Command Execution attack CVSS 3.1CRITICAL 9.9
  • TI-2017-07709 Vulnerability in the PeopleSoft Enterprise PT PeopleTools component of Oracle PeopleSoft… CVSS 3.0CRITICAL 9.8
See all 467 →

Sources