CVE-2026-91391
lowVulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI).
Vendor / product: Oracle — siebel crm
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel CRM End User accessible data. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
CVSS
3.7
3.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (secalert_us@oracle.com)
Timeline (UTC)
Published: 2026-10-20 22:20
Modified: 2026-11-04 17:07
NVD status: Analyzed
Last synced 9 hours ago
Verified against the source API 2026-11-04 17:35 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
oracle / siebel_crm ≥17.0 ≤26.9
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.oracle.com/security-alerts/cpuoct2026.html
References
- https://www.oracle.com/security-alerts/cpuoct2026.html secalert_us@oracle.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 17:35 UTC · record ↗

