CVE-2026-62586 Missing authorization in Siebel CRM Administration

High 8.6 Published 18 Aug 2026 Updated 21 Aug 2026

Unauthenticated attackers can access critical data in Siebel CRM Administration via HTTP, 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-2026-62586?

CVE-2026-62586 is a high-severity missing authorization vulnerability in Oracle Siebel Crm, 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 Siebel CRM Administration product of Oracle Siebel CRM (component: Data Archival). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Administration. While the vulnerability is in Siebel CRM Administration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Administration accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-62586?

It affects 1 product.

Products include Oracle Siebel Crm.

How do I fix CVE-2026-62586?

No fix has been published for CVE-2026-62586 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-2026-62586 being exploited?

There is no known exploitation of CVE-2026-62586 in the wild and no public exploit code.

All Oracle Siebel Crm vulnerabilities

Sources

Also known as GHSA-p53x-5xf3-q2hf.