MEDIUM🇵🇱 Wersja polska

CVE-2026-25479

CVSS 6.5v3.1pub. 2026-02-09upd. 2026-02-17

Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. Prior to 2.20.0, in litestar.middleware.allowed_hosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning (e.g., . matches any character). This enables a bypass where an attacker supplies a host that matches the regex but is not the intended literal hostname. This vulnerability is fixed in 2.20.0.

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

  • Litestar

    APP
    Litestar
    < 2.20.0
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
CWE
References

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