Oracle E-Business Suite Capacity: Remote takeover via HTTP
Summary
Oracle Capacity, a module of Oracle E-Business Suite (EBS), contains a vulnerability in the Internal Operations component. An attacker with network access via HTTP and a valid low-privileged account can compromise the module, with a possible takeover of Oracle Capacity. Oracle rates the issue CVSS 8.8 (High) and it is fixed in the October 2026 Critical Patch Update.
Affected
- Oracle E-Business Suite, Oracle Capacity module, versions 12.2.3 to 12.2.15
- Component: Internal Operations
- Attack requires a low-privileged account (PR:L)
Fixed in
- Fixed in Oracle's October 2026 Critical Patch Update (released 20 October 2026)
- Specific patch number for Oracle Capacity: Unknown. Check the Oracle risk matrix and EBS patch documentation (My Oracle Support KA923, KA1818)
Workaround
- Unknown. No vendor workaround identified; patching is the documented fix.
- Restrict HTTP access to EBS to required users only.
Exploitation
- No confirmed exploitation in the wild known at time of research. CISA KEV status not verified.
- No public proof of concept found.
- EPSS score low (0.00352).
Our recommendation
- Check whether any EBS environment runs the Capacity module in versions 12.2.3 to 12.2.15.
- If affected, apply the October 2026 CPU using the Oracle advisory and KA923 guidance; prioritise network-reachable EBS systems.
- Restrict HTTP access to EBS to required users and review low-privilege accounts.
- Monitor for unusual activity in the Capacity module.
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.org CNA record via Vulners vulners.com
- Strix.ai CVE-2026-101542 www.strix.ai
- Oracle CPU October 2026 overview (Arxdome) arxdome.com
- Oracle EBS CPU checker (Nerds Magazine) nerdsmagazine.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, 15:27.
Original description (NVD)
Vulnerability in the Oracle Capacity 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 Capacity. Successful attacks of this vulnerability can result in takeover of Oracle Capacity. 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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