CVE-2026-46921
Published: 17 June 2026
Summary
CVE-2026-46921 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Oracle Siebel Cloud Manager. Its CVSS base score is 8.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 32.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-37239
Vulnerability details
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…
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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).
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote HTTP exploit by low-priv attacker leading to full app takeover directly matches public-facing app exploitation and priv-escalation via vuln.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Documented procedures for role definition, privilege assignment, and removal provide the management framework that prevents improper privilege management.
Developer training on implemented privilege management controls prevents improper assignment or escalation through correct configuration and operation.
Provides a tamperproof, always-invoked, and verifiable mechanism to enforce access control policies.
The awareness and training policy mandates training on access control practices, directly reducing the likelihood of improper access control weaknesses being introduced or exploited.
Training covers proper privilege management practices, making incorrect privilege assignments less likely.
Provides capability to review session content, directly detecting violations of access control.
Review helps detect improper privilege management by flagging unauthorized privilege changes or uses.
Control assessments verify that access controls are implemented correctly and operating as intended, detecting improper access control before exploitation.