CVE Watch10 nov 2026

CVE-2026-119446

Session Fixation vulnerability in the CLI login flow in nerves-hub nerves_hub_web allows an unauthenticated attacker to obtain an API token

CVSS

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Sin CVSS

EPSS

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KEV

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Exploit Today

0-100

Publicado: 10 nov 2026 · Última mod.: 10 nov 2026 · CWE-384

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Session Fixation vulnerability in the CLI login flow in nerves-hub nerves_hub_web allows an unauthenticated attacker to obtain an API token for another user's account via a crafted login link. Starting a CLI login with POST /api/auth/cli_session needs no authentication and returns a polling token, a confirmation URL that carries that token, and a confirmation code. When a signed-in user opens that URL and clicks Confirm, NervesHub.Accounts.verify_cli_session_token/2 creates an API token for the user's account and stores it on the login, and the next poll of GET /api/auth/cli_session/<token> returns it to whoever started the login. The confirmation code is only displayed and is never compared with anything, so it cannot show that the person confirming is the one who started the login. The confirm form carries a CSRF token and the page cannot be framed, so the attacker has to persuade the user to open the link and click the button themselves. This issue affects nerves_hub: from 2.5.0 before 2.5.3.

Referencias oficiales

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