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    CVE-2026-96404

    When Gitea's web installer is reachable against a database that already contains users, such as after `INSTALL_LOCK` has been reset to `false`, submitting the install form with an administrator username matching an existing account issued an authenticated session for that account without verifying its password. If the account is an administrator, the session grants full administrative access, including changing the account's password. Databases with a single user also did not require the reinstall confirmation.

    Published:Oct 6, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 6, 2026
    EPSS Score:0.00413
    CVSS Score:8.1

    Affected Products

    Vendor
    Gitea
    Product
    Gitea

    Exploits

    https://github.com/go-gitea/gitea/security/advisories/GHSA-9h7g-h754-c8x2

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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    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