CVE-2026-62603 Missing authorization in Oracle Hyperion Calculation Manager

Medium 5.4 Published 18 Aug 2026 Updated 25 Aug 2026

Unauthenticated attackers on the local network can read and modify data in Oracle Hyperion Calculation Manager due to missing authorization checks.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-62603?

CVE-2026-62603 is a medium-severity missing authorization vulnerability in Oracle Hyperion Calculation Manager, published on 18 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle Hyperion Calculation Manager product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Hyperion Calculation Manager executes to compromise Oracle Hyperion Calculation Manager. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Hyperion Calculation Manager accessible data as well as unauthorized read access to a subset of Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-62603?

It affects 1 product.

Products include Oracle Hyperion Calculation Manager.

How do I fix CVE-2026-62603?

No fix has been published for CVE-2026-62603 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-62603 being exploited?

There is no known exploitation of CVE-2026-62603 in the wild and no public exploit code.

Sources

Also known as GHSA-4r7f-f57c-pgvm.