Oracle Purchasing: Improper access control allows takeover
Summary
Oracle Purchasing, the procurement module of Oracle E-Business Suite, contains an improper access control flaw (CWE-284) in the Internal Operations component. According to the CNA record, an attacker with a low-privileged account and network access via HTTP can take over the module with high impact on confidentiality, integrity and availability. No user interaction is required. The CVSS 8.8 score comes from the CNA; VulDB rates it 6.3 and NVD analysis was still pending at publication.
Affected
- Oracle Purchasing in Oracle E-Business Suite, supported versions 12.2.3 to 12.2.15 (CNA record)
Fixed in
- Unknown. The per-product patch and fixed version were not confirmed.
- Reference fix: Oracle Critical Patch Update October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html)
Workaround
- Unknown. No CVE-specific workaround found.
- Until patched, limit HTTP exposure of E-Business Suite and monitor logs.
Exploitation
- No evidence of exploitation in the wild found; Oracle has not flagged it as exploited.
- No public proof of concept found.
- The related flaw CVE-2026-101767 in E-Business Suite is being scanned and exploited; it is a separate patch priority.
Our recommendation
- Apply the October 2026 Oracle CPU to E-Business Suite 12.2.3 to 12.2.15 with priority.
- Check whether E-Business Suite is reachable from the internet and restrict HTTP access.
- Review low-privileged accounts, including supplier and employee logins.
- Monitor E-Business Suite logs for unusual activity.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Oracle Critical Patch Update Advisory – October 2026 www.oracle.com
- CVE-2026-101557 record (Strix) www.strix.ai
- CVE-2026-101557 CNA JSON (Vulners) vulners.com
- CVE-2026-101557 VulDB entry vuldb.com
- Hackers scanning for recently patched Oracle flaw (BleepingComputer) www.bleepingcomputer.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 31 Oct 2026, 15:26.
Original description (NVD)
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).
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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