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    CVE-2026-84315

    Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, Nginx UI does not apply RequireSecureSession to multiple authenticated mutation routes even though OTP-enabled users are expected to present a fresh X-Secure-Session-ID for sensitive actions. A stolen authenticated session can therefore create or alter automatic backups, DNS credentials and records, certificates and ACME users, Nginx control settings, and site or stream automation without completing the OTP or passkey step-up. This issue is fixed in version 2.4.1.

    Published:Oct 12, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 12, 2026
    EPSS Score:0.00216
    CVSS Score:8.3

    Affected Products

    Vendor
    0xjacky
    Product
    Nginx-ui

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-84317 (CVSS 8.8) — Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, internal/config/validation.go (Vali…
    CVE-2026-84313 (CVSS 8.8) — Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, POST /api/otp_enroll and POST /api/…
    CVE-2026-84321 (CVSS 5.4) — Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, GenerateShortToken creates standalo…
    CVE-2026-84314 (CVSS 8.7) — Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, the POST /api/users/:id user-manage…
    CVE-2026-84320 (CVSS 6.3) — Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.3, Nginx UI validates an automatic bac…
    CVE-2026-84318 (CVSS 8.8) — Nginx UI is a web user interface for the Nginx web server. From 2.0.0-rc.6 until 2.4.1, the MCP tool nginx_con…

    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