CVE-2026-70871 Auth bypass in Oracle Hyperion Data Relationship Management

Critical 9.8 Published 18 Aug 2026 Updated 25 Aug 2026

Unauthenticated attackers can take over Oracle Hyperion Data Relationship Management via network access, requiring immediate patching.

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-2026-70871?

CVE-2026-70871 is a critical 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: Access and security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Hyperion Data Relationship Management. Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Data Relationship Management. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-70871?

It affects 1 product.

Products include Oracle Hyperion Data Relationship Management.

How do I fix CVE-2026-70871?

No fix has been published for CVE-2026-70871 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-2026-70871 being exploited?

There is no known exploitation of CVE-2026-70871 in the wild and no public exploit code.

All Oracle Hyperion Data Relationship Management vulnerabilities

Sources

Also known as GHSA-hmff-xjjr-q36g.