How severe is CVE-2026-70870?

CVE-2026-70870 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2026-70870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-70870?

CVE-2026-70870 affects Oracle Hyperion Data Relationship Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-70870?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-70870 published?

CVE-2026-70870 was published on 2026-08-18 and last updated on 2026-08-21.

CVE-2026-70870

CVE-2026-70870 is a high-severity vulnerability in Oracle Hyperion Data Relationship Management with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Oracle Hyperion Data Relationship Management
Published: 2026-08-18
Last modified: 2026-08-21

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).

Frequently asked questions

What is CVE-2026-70870?: 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).
How severe is CVE-2026-70870?: CVE-2026-70870 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2026-70870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-70870?: CVE-2026-70870 affects Oracle Hyperion Data Relationship Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-70870?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-70870 published?: CVE-2026-70870 was published on 2026-08-18 and last updated on 2026-08-21.

References

https://www.oracle.com/security-alerts/cspuaug2026.html

Affected products (1)

cpe:2.3:a:oracle:hyperion_data_relationship_management:11.2.25.0.000:*:*:*:*:*:*:*

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