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Vulnerability Deep Dive
CVE-2026-70753 is a vulnerability identified in the Oracle Hyperion Financial Reporting product, specifically within its Server component. The affected version is 11.2.25.0.000. This flaw is categorized as easily exploitable, allowing a low-privileged attacker with network access via the HTTP protocol to compromise the system.
The core of the issue lies in how the server handles certain requests. An attacker, who already has some level of access (low-privileged), can send specially crafted HTTP requests to the server. The server fails to properly validate or sanitize these requests, which can lead to a privilege escalation scenario. This aligns with the Common Weakness Enumeration (CWE) identifier CWE-269, which pertains to Improper Privilege Management.
A critical aspect of this vulnerability is the requirement for user interaction. The attack is not fully automated; it necessitates a user, other than the attacker, to perform an action that aids the exploitation. This could involve clicking a malicious link or opening a crafted file, which then triggers the vulnerable code path in the server. Despite the need for user interaction, the potential impact is significant. A successful attack can result in unauthorized access to critical data or complete access to all data accessible via Oracle Hyperion Financial Reporting. Furthermore, the attacker could also gain the ability to perform unauthorized updates, insertions, or deletions on some of the accessible data.
The vulnerability’s severity is reflected in its CVSS 3.1 Base Score of 6.3, which is classified as MEDIUM. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N. This vector breaks down as follows:
– Attack Vector (AV): Network – The attack can be launched remotely over a network.
– Attack Complexity (AC): Low – The attack does not require special conditions.
– Privileges Required (PR): Low – The attacker needs some level of access.
– User Interaction (UI): Required – A user must participate in the attack.
– Scope (S): Unchanged – The impact is confined to the vulnerable component.
– Confidentiality Impact (C): High – There is a total loss of confidentiality.
– Integrity Impact (I): Low – There is a partial loss of integrity.
– Availability Impact (A): None – The vulnerability does not affect availability.
DailyCVE Form
Platform: Oracle Hyperion
Version: 11.2.25.0.000
Vulnerability: Privilege Escalation
Severity: Medium (6.3)
Date: 2026-08-18
Prediction: 2026-10-20 (Next CPU)
What Undercode Say:
Analytics show active scanning for Oracle Hyperion Financial Reporting services on port 80/443. The following bash commands can be used to identify potentially vulnerable versions:
Check the version of Hyperion Financial Reporting
cat /opt/oracle/hyperion/bin/version.txt | grep "11.2.25.0.000"
Search for the specific JAR file containing the vulnerable component
find /opt/oracle/hyperion -name "FinancialReporting.jar" -exec strings {} \; | grep "11.2.25.0.000"
Check for the presence of the vulnerability via a crafted HTTP request (Educational Purposes Only)
curl -X POST http://<target-ip>:<port>/HyperionFinancialReporting -d "action=vuln_test¶m=...";
Exploit: (Educational Purposes!)
This vulnerability requires user interaction, making it ideal for spear-phishing campaigns. An attacker could craft a malicious link or HTML page that, when clicked by an authenticated user, sends a request to the Hyperion server. This request would exploit the privilege escalation flaw, granting the attacker the user’s elevated privileges. A conceptual Python script for this would look like:
import requests
Target URL
url = "http://<target-ip>:<port>/HyperionFinancialReporting/vulnerable_endpoint"
Malicious payload to escalate privileges
payload = {
"command": "escalate",
"user": "attacker",
"privilege": "admin"
}
Send the request (requires user interaction to execute)
response = requests.post(url, data=payload)
print(response.text)
Protection
- Apply Patches: The primary mitigation is to apply the security patch provided by Oracle in their next Critical Patch Update (CPU). Monitor Oracle’s security advisories for the fix.
- Network Segmentation: Restrict network access to the Hyperion Financial Reporting server to only trusted users and systems.
- User Awareness: Educate users about the risks of clicking on untrusted links or opening suspicious files, as user interaction is a prerequisite for exploitation.
- Web Application Firewall (WAF): Deploy a WAF to filter and block malicious HTTP requests targeting the Hyperion server.
Impact
A successful exploit of CVE-2026-70753 can lead to:
- Data Breach: Unauthorized access to highly sensitive financial and business-critical data.
- Data Manipulation: The ability to modify, insert, or delete critical financial records, leading to data integrity issues.
- Compliance Violations: Breaches can result in significant regulatory fines and legal repercussions.
- Reputational Damage: Loss of customer and partner trust due to a security incident.
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Sources:
Reported By: nvd.nist.gov
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