Sensitive information exposure in Oracle Siebel CRM Cloud Applications
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
Oracle Siebel CRM Cloud Applications versions 22.3 through 26.9 are affected, in the Siebel Cloud Manager component. A flaw exposes sensitive information to actors who are not authorized to see it (CWE-200). An unauthenticated remote attacker with network access over HTTP can read a subset of the data the application can access, and the impact can reach other products.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP 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 read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Oracle Siebel CRM Cloud Applications.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Oracle Siebel CRM Cloud Applications — oracle.com/security-alerts/cpuoct2026.html
25 records Highest priority Priority MEDIUM 1 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2026-77761 Access control flaw in Oracle Siebel CRM Cloud Applications enables takeoverPriority MEDIUM 43
- TI-2026-77753 Missing authentication in Oracle Siebel CRM Cloud ApplicationsPriority LOW 36
- TI-2026-77423 Improper access control in Oracle Siebel CRM Cloud ApplicationsPriority LOW 32
Timeline
- 2026-10-21 Threatist record created from CVE-2026-91371
- 2026-10-21 Alias added: GHSA-vq5p-x4q3-qp6q
- 2026-10-21 Weakness changed · CISA ADP
- 2026-10-21 CISA SSVC decision points changed
- 2026-10-21 Priority changed: MEDIUM → LOW
References
Advisory 1
More Oracle Siebel Crm vulnerabilities
- TI-2026-44706 Improper access control in Oracle Siebel CRM Integration CVSS 3.1CRITICAL 9.8
- TI-2026-44699 Improper access control in Oracle Siebel CRM Administration CVSS 3.1CRITICAL 9.8
- TI-2026-44566 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.9
- TI-2026-43962 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8
- TI-2026-34639 Missing authentication in Oracle Siebel CRM Development CVSS 3.1CRITICAL 9.8
- TI-2026-34525 Improper access control in Oracle Siebel CRM Cloud Applications CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-91371 · CVE Program
- CVE-2026-91371 · NVD
- FIRST EPSS
- GHSA-vq5p-x4q3-qp6q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences