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    CVE-2026-71206

    Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase.

    Published:Aug 5, 2026
    Last Modified:Aug 10, 2026
    EPS:Aug 5, 2026
    EPSS Score:0.00215
    CVSS Score:8.2

    Affected Products

    Vendor
    Go-shiori
    Product
    Shiori

    Exploits

    https://github.com/Nel-droid/CVE-2026-71206-PoC

    Common Weakness Enumeration

    CWE-613 Insufficient Session Expiration

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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