CVE-2026-62594 Missing authorization in Siebel CRM Integration

High 7.7 Published Updated

High-privileged attackers can modify critical data or cause denial of service in Siebel CRM Integration via HTTP.

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

What is CVE-2026-62594?

CVE-2026-62594 is a high-severity missing authorization vulnerability in Oracle Siebel Crm, published on 18 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Integration. CVSS 3.1 Base Score 7.7 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-62594?

It affects 1 product.

Products include Oracle Siebel Crm.

How do I fix CVE-2026-62594?

No fix has been published for CVE-2026-62594 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-2026-62594 being exploited?

There is no known exploitation of CVE-2026-62594 in the wild and no public exploit code.

All Oracle Siebel Crm vulnerabilities

Sources

Also known as GHSA-66v8-x3rr-hpwx.

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