p PatchFirst

CVE-2026-61598

CVE-2026-61598 · Client mass-assignment of arbitrary view attributes via the default dj-model update_model handler

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djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, `djust.mixins.model_binding.ModelBindingMixin` provides a default `update_model` event handler and is part of the LiveView base MRO, so every LiveView exposes it. It `setattr`s a view attribute whose name is client-supplied (`field`), gated only by: reject `_`-prefixed names; reject a 14-entry denylist of framework internals (`FORBIDDEN_MODEL_FIELDS`); optional `allowed_model_fields` which defaults to None = allow all; and `hasattr` existence. As a result, a client can set any public, existing view attribute — not just the fields actually bound with `dj-model=` in the rendered template. The denylist covers framework plumbing but nothing about developer business/authz state, and the allowlist is opt-in (off by default). A developer who binds one `dj-model="search"` input and also keeps `self.account_id` / `self.is_admin` / `self.total_price` as view state does not realize a client can set ALL of them via `{type:event, event:"update_model", params:{field, value}}` over the WebSocket. Type coercion matches the target attribute's type (so `"true"` -> bool True), aiding the attacker. This issue is fixed in djust 1.0.7. As a workaround, set `allowed_model_fields` explicitly on every view using dj-model (or subclassing LiveView) to the minimal list of bindable fields; do not keep authorization/ownership state in public view attributes that share the view with dj-model bindings.

CVSS 7.1 · Высокий · EPSS 0,4% · Есть исправление

Опубликовано
Обновлено

Стек: python

Затронутые продукты и версии

  • djust

    Версии
    • < 1.0.7: Затронуто

    Нет опубликованного исправления

  • djust PyPI

    Версии
    • 0.1.0
    • 0.1.2
    • 0.1.3
    • 0.1.4
    • 0.1.5
    • 0.1.6
    • 0.1.7
    • 0.1.8
    • 0.1.9
    • 0.2.0
    • 0.2.1
    • 0.2.2
    • 0.3.0
    • 0.3.1
    • 0.3.2
    • 0.3.4
    • 0.3.5
    • 0.3.6
    • 0.3.7
    • 0.3.8
    • 0.4.0
    • 0.4.1
    • 0.4.2
    • 0.4.3
    • 0.4.4
    • 0.9.0
    • 0.9.1
    • 0.9.2
    • 0.9.4
    • 0.9.5
    • 0.9.6
    • 0.9.7
    • 1.0.0
    • 1.0.0rc1
    • 1.0.0rc10
    • 1.0.0rc11
    • 1.0.0rc12
    • 1.0.0rc13
    • 1.0.0rc14
    • 1.0.0rc15
    • 1.0.0rc16
    • 1.0.0rc17
    • 1.0.0rc18
    • 1.0.0rc2
    • 1.0.0rc3
    • 1.0.0rc4
    • 1.0.0rc6
    • 1.0.0rc7
    • 1.0.0rc8
    • 1.0.0rc9
    • 1.0.1
    • 1.0.1rc1
    • 1.0.2
    • 1.0.2rc1
    • 1.0.2rc2
    • 1.0.2rc3
    • 1.0.3
    • 1.0.3rc1
    • 1.0.3rc2
    • 1.0.4
    • 1.0.4rc1
    • 1.0.5
    • 1.0.5rc1
    • 1.0.5rc2
    • 1.0.5rc3
    • 1.0.5rc4
    • 1.0.5rc5
    • 1.0.6
    • 1.0.6rc1
    • 1.0.6rc2
    • 1.0.6rc3
    • 1.0.7rc1
    Затронутые диапазоны версий
    • ECOSYSTEM: < 1.0.7

    Обновитесь до 1.0.7

  • djust PyPI

    Версии
    • 0.1.0
    • 0.1.2
    • 0.1.3
    • 0.1.4
    • 0.1.5
    • 0.1.6
    • 0.1.7
    • 0.1.8
    • 0.1.9
    • 0.2.0
    • 0.2.1
    • 0.2.2
    • 0.3.0
    • 0.3.1
    • 0.3.2
    • 0.3.4
    • 0.3.5
    • 0.3.6
    • 0.3.7
    • 0.3.8
    • 0.4.0
    • 0.4.1
    • 0.4.2
    • 0.4.3
    • 0.4.4
    • 0.9.0
    • 0.9.1
    • 0.9.2
    • 0.9.4
    • 0.9.5
    • 0.9.6
    • 0.9.7
    • 1.0.0
    • 1.0.0rc11
    • 1.0.1
    • 1.0.2
    • 1.0.3
    • 1.0.4
    • 1.0.5
    • 1.0.6
    Затронутые диапазоны версий
    • ECOSYSTEM: < 1.0.7

    Обновитесь до 1.0.7

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