CVE-2026-91442

high

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).

Vendor / product: Oracle — siebel crm

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. 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).

CVSS

8.8

8.8 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (secalert_us@oracle.com)

Timeline (UTC)

Published: 2026-10-20 22:20

Modified: 2026-11-04 15:06

NVD status: Analyzed

Last synced 11 hours ago

Verified against the source API 2026-11-04 15:35 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)

CWE-306

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 15:35 UTC · record ↗

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CVE-2026-91442

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