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    CVE-2026-91442

    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).

    Published:Oct 20, 2026
    Last Modified:Oct 24, 2026
    EPS:Oct 20, 2026
    EPSS Score:0.00329
    CVSS Score:8.8

    Affected Products

    Vendor
    Oracle
    Product
    Siebel Crm Deployment

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-91450 (CVSS 7.4) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91449 (CVSS 7.4) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91448 (CVSS 7.5) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91447 (CVSS 7.5) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91446 (CVSS 6.7) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91444 (CVSS 6.7) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91443 (CVSS 6.5) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91440 (CVSS 6.5) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91439 (CVSS 5.5) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…
    CVE-2026-91438 (CVSS 7.1) — Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). S…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High