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CVE-2026-62534 is a critical vulnerability identified within the Oracle Applications Framework component of the Oracle E-Business Suite, specifically affecting the Web Utilities module. The flaw enables a low-privileged attacker with network access via the HTTP protocol to fully compromise the Oracle Applications Framework. Successful exploitation leads to a complete takeover, granting the attacker the same level of control as the application itself.
The technical root of this vulnerability lies in insufficient input validation and improper access control mechanisms within the Web Utilities component. The attack complexity is low, requiring no user interaction, and the attacker only needs minimal privileges to initiate the exploit. This makes the vulnerability particularly dangerous as it can be triggered over the network without any complex prerequisites.
The vulnerability affects Oracle E-Business Suite versions 12.2.11 through 12.2.15. Once exploited, the attacker can exfiltrate sensitive financial data, customer records, and operational information, as well as modify or delete critical business data. The flaw also allows for complete disruption of availability, potentially halting core business processes.
The CVSS 3.1 base score is 8.8, categorizing this as a high-severity issue with impacts on confidentiality, integrity, and availability. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability has been assigned CWE-269 (Improper Privilege Management), CWE-284 (Improper Access Control), CWE-287 (Improper Authentication), and CWE-306 (Missing Authentication for Critical Function). The EPSS score is 0.00266, indicating a low probability of exploitation in the wild, but the high impact necessitates immediate patching.
DailyCVE Form:
Platform: Oracle E-Business Suite
Version: 12.2.11-12.2.15
Vulnerability: Privilege Escalation
Severity: High (8.8)
date: 2026-07-21
Prediction: 2026-08-15
What Undercode Say: Analytics
Security analysts should prioritize identifying vulnerable instances. Use the following bash command to search for affected Oracle E-Business Suite versions across your environment:
Find Oracle E-Business Suite installations and check version find / -name "applications" -type d 2>/dev/null | grep -E "12.2.1[1-5]"
To check the specific version of the Oracle Applications Framework, query the database:
SELECT VERSION FROM FND_PRODUCT_INSTALLATIONS WHERE PRODUCT_NAME = 'Oracle Applications Framework';
Monitor HTTP logs for anomalous patterns indicative of exploitation attempts:
Monitor Apache/OHS logs for suspicious Web Utilities access tail -f $ORACLE_HOME/ohs/logs/access_log | grep -i "webutil"
Use the following Python snippet to simulate a low-privilege authentication request to test for exposure:
import requests
url = "https://target-ebs:8000/OA_HTML/WebUtil"
headers = {"User-Agent": "Mozilla/5.0"}
try:
r = requests.get(url, timeout=5)
if r.status_code == 200:
print("[!] Web Utilities endpoint accessible")
except:
pass
Exploit
The vulnerability is exploitable remotely over HTTP by an authenticated low-privileged user. The attack does not require user interaction and has low complexity. Exploitation involves sending crafted HTTP requests to the Web Utilities component, which fails to properly validate input or enforce access controls, allowing the attacker to escalate privileges and execute arbitrary commands within the Oracle Applications Framework context. This can lead to a full system takeover, giving the attacker administrative control over the E-Business Suite environment.
Protection
Immediate remediation involves applying Oracle’s security patch for CVE-2026-62534, which is expected to be released in the upcoming Critical Patch Update (CPU). Until the patch is applied, organizations should implement network segmentation to restrict access to the Oracle Applications Framework from untrusted networks. Deploy Web Application Firewalls (WAF) with rules to detect and block anomalous requests targeting the Web Utilities component. Additionally, enforce strict authentication and authorization policies, and monitor all HTTP access logs for indicators of compromise.
Impact
Successful exploitation results in a complete takeover of the Oracle Applications Framework, leading to full compromise of confidentiality, integrity, and availability. Attackers can access sensitive business data, including financial records, customer information, and intellectual property. They can also modify or delete critical data, causing business disruption and potential regulatory compliance violations. The high CVSS score of 8.8 underscores the severity, and organizations must treat this as a top-priority security issue.
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Sources:
Reported By: nvd.nist.gov
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