CVE-2026-70870 Auth bypass in Oracle Hyperion Data Relationship Management

High 8.2 Published 18 Aug 2026 Updated 19 Aug 2026

Unauthenticated attackers can access all data and cause partial denial of service in Oracle Hyperion Data Relationship Management.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-70870?

CVE-2026-70870 is a high-severity authentication bypass vulnerability in Oracle Hyperion Data Relationship Management, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Hyperion Data Relationship Management product of Oracle Hyperion (component: Web Client - Unicode). The supported version that is affected is 11.2.23.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Data Relationship Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Data Relationship Management. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

Weakness: CWE-284

Which versions are affected by CVE-2026-70870?

It affects 1 product.

Products include Oracle Hyperion Data Relationship Management.

How do I fix CVE-2026-70870?

No fix has been published for CVE-2026-70870 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-70870 being exploited?

There is no known exploitation of CVE-2026-70870 in the wild and no public exploit code.

All Oracle Hyperion Data Relationship Management vulnerabilities

Sources

Also known as GHSA-mg24-67qw-6w34.