CVE-2026-61339 Missing authorization in Siebel CRM Cloud Applications
A low-privileged attacker with infrastructure access can bypass authorization to read all data and modify some data in Siebel CRM Cloud Applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61339?
CVE-2026-61339 is a high-severity missing authorization vulnerability in Oracle Siebel Crm, 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 Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, 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 Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 7.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-61339?
It affects 1 product.
Products include Oracle Siebel Crm.
How do I fix CVE-2026-61339?
No fix has been published for CVE-2026-61339 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-2026-61339 being exploited?
There is no known exploitation of CVE-2026-61339 in the wild and no public exploit code.
Other vulnerabilities in Oracle Siebel Crm
Sources
Also known as GHSA-43fm-hvcc-q6xw.