CVE-2026-70857 Missing authorization in Siebel CRM End User
Low-privileged attackers can modify or read critical Siebel CRM data via HTTPS, requiring user interaction and impacting additional products.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-70857?
CVE-2026-70857 is a high-severity missing authorization vulnerability in Oracle Siebel Crm, published on 18 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTPS to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, 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 End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-70857?
It affects 1 product.
Products include Oracle Siebel Crm.
How do I fix CVE-2026-70857?
No fix has been published for CVE-2026-70857 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-2026-70857 being exploited?
There is no known exploitation of CVE-2026-70857 in the wild and no public exploit code.
Other vulnerabilities in Oracle Siebel Crm
Sources
Also known as GHSA-63vw-5vmr-92xg.