CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
Presenton before 0.8.8-beta bundles an MCP server that, on server/Docker deployments configured with session authentication (AUTH_USERNAME/AUTH_PASSWORD), is reachable unauthenticated at /mcp because the nginx front-end does not apply the auth_request gate to that path and the MCP server auto-mints a valid internal session token for the configured user. A remote unauthenticated attacker can invoke MCP tools such as generate_presentation, performing authenticated application actions, consuming the operators configured LLM API keys, and creating presentations in the operators instance. The Electron desktop build is not affected (MCP disabled).
Засегнати продукти
- presenton presenton: преди 0.8.8-beta
Вид слабост
История
- 30 юни 2026 Публикувано
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-58446
- https://nvd.nist.gov/vuln/detail/CVE-2026-58446
- https://github.com/presenton/presenton/releases/tag/electron-v0.8.8-beta
- https://github.com/presenton/presenton/issues/678
- https://github.com/presenton/presenton/pull/679
- https://github.com/presenton/presenton/commit/a1103dcef3c761cc8bab44e2862c81a49969abd7
- https://www.vulncheck.com/advisories/presenton-beta-authentication-bypass-of-session-auth-via-unprotected-mcp-endpoint