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TI-2026-77866 Aliases CVE-2026-101557GHSA-vxqp-6jcw-9jmf

Improper access control in Oracle Purchasing enables takeover

Priority MEDIUM 41CWE-284Published · Updated

Key facts

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

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

Summary

Oracle Purchasing in Oracle E-Business Suite, versions from 12.2.3 through 12.2.15, is affected. Improper access control (CWE-284) lets a low-privileged attacker with network access over HTTP take over Oracle Purchasing. The attack is easy to carry out, needs no user interaction, and affects confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component: Internal Operations). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Purchasing. Successful attacks of this vulnerability can result in takeover of Oracle Purchasing. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0048 41st 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle Purchasing12.2.3 – 12.2.15—No fix listedCNA
  • Oracle Purchasing VendorOracle Affected 12.2.3 – 12.2.15 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:purchasing:*:*:*:*:*:*:*:*12.2.3 – 12.2.15VulnerableOracle
  • cpe:2.3:a:oracle:purchasing:*:*:*:*:*:*:*:* Versions 12.2.3 – 12.2.15 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Purchasing.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fixed in the same release

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

  • Advisory ·

    Oracle Purchasing — oracle.com/security-alerts/cpuoct2026.html

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-77555 Improper access control in Oracle E-Business Suite PurchasingPriority LOW 31
    • TI-2026-77868 Incorrect authorization in Oracle Purchasing exposes critical dataPriority LOW 29
    • TI-2026-77867 Cross-site request forgery in Oracle E-Business Suite PurchasingPriority LOW 26
    Show all 6 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101557
  2. 2026-10-21 Alias added: GHSA-vxqp-6jcw-9jmf
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-24 CISA SSVC decision points changed
  5. 2026-10-24 Priority changed: LOW → MEDIUM
  6. 2026-10-29 Weakness changed · CISA ADP
  7. 2026-10-29 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-59525 Improper privilege management in Oracle Purchasing CVSS 3.1HIGH 8.8
  • TI-2026-49641 Improper access control in Oracle Purchasing CVSS 3.1HIGH 8.8
  • TI-2026-49640 Improper access control in Oracle Purchasing CVSS 3.1HIGH 7.5
  • TI-2021-01937 Vulnerability in the Oracle Purchasing product of Oracle E-Business Suite (component… CVSS 3.1HIGH 8.1
  • TI-2026-59624 Improper access control in Oracle Purchasing CVSS 3.1HIGH 8.1
  • TI-2026-59530 Improper access control in Oracle Purchasing CVSS 3.1HIGH 8.1
See all 17 →

Sources

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