CVE-2026-62585

Critical

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. Successful attacks of this vulnerability can result in takeover of Siebel CRM Administration. 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).

SeverityCritical

CVSS9.8

Exploit probability—

Product

Oracle Siebel Crm

PublishedAug 18, 2026

First seenAug 18, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspuaug2026.html

Affected products

Product	Affected versions	Fixed in
oracle siebel_crm	25.12 ≤ v ≤ 26.6	—

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