CVE-2026-46921 Auth bypass in Siebel CRM Cloud Applications
A low-privileged attacker can bypass authentication to take over Siebel CRM Cloud Applications via HTTP.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46921?
CVE-2026-46921 is a high-severity authentication bypass vulnerability in Oracle Siebel Crm, published on 16 Jun 2026. Any signed-in user can exploit it over the 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 17.0-26.5. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Which versions are affected by CVE-2026-46921?
It affects 1 product.
Products include Oracle Siebel Crm.
How do I fix CVE-2026-46921?
No fix has been published for CVE-2026-46921 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-46921 being exploited?
There is no known exploitation of CVE-2026-46921 in the wild and no public exploit code.
Other vulnerabilities in Oracle Siebel Crm
Sources
Also known as GHSA-6c8h-rrcp-jxpr.