CVE-2026-48817

A flaw was found in Starlette, a lightweight Asynchronous Server Gateway Interface ASGI framework. An attacker can exploit this vulnerability by sending a specially crafted HTTP request that uses a non-standard HTTP method. This can cause the framework to invoke internal methods not intended for...

CVE-2026-48817

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and below, when dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an...

DEBIAN-CVE-2026-48817

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and below, when dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an...

UBUNTU-CVE-2026-48817

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and below, when dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an...

CVE-2026-48817 Starlette: Arbitrary HTTP method dispatched to `HTTPEndpoint` attributes via `getattr`

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and below, when dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an...

CVE-2026-48817 Starlette: Arbitrary HTTP method dispatched to `HTTPEndpoint` attributes via `getattr`

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and below, when dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an...

CVE-2026-48817

CVE-2026-48817 affects Starlette 1.0.1 and earlier, where HTTPEndpoint dispatch selects a handler by lowercased method name via getattr without validating against a known HTTP verb. If a Route is used without explicitly listing methods=, every method can reach the endpoint, and non-standard HTTP ...

UBUNTU-CVE-2026-48818

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

CVE-2026-48818 Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

EUVD-2026-37773

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

CVE-2026-48818 Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

CVE-2026-48818

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

CVE-2026-48818 Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Starlette is a lightweight ASGI framework/toolkit. In versions 1.0.1 and earlier, StaticFiles on Windows is vulnerable to SSRF. An UNC path such as \attacker.com\share can cause os.path.realpath to initiate an outbound SMB connection before the path is rejected, exposing the service account’s...

SUSE-SU-2026:22151-1 Security update for python-starlette

This update for python-starlette fixes the following issues - CVE-2025-54121: denial-of-service when parsing a multi-part form with large files bsc1246855. - CVE-2025-62727: DoS via Range header merging bsc1252805. - CVE-2026-48710: Missing Host header validation poisons request.url.path, bypassi...

GHSA-94F4-HR76-P5J6 vLLM: OpenAI auth bypass

Summary A vulnerability in ASGI web servers and starlette's trust on those web servers enables an authentication bypass of the OpenAI API AuthenticationMiddleware, which was discovered during @x41sec's source code audit. It allows to use the API without providing the configured VLLMAPIKEY or...

Allocation of Resources Without Limits or Throttling

Overview starlette is a The little ASGI library that shines. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the request.form. An attacker can exhaust system resources and disrupt service availability by submitting a specially crafted...

GHSA-82W8-QH3P-5JFQ Starlette: request.form() limits silently ignored for application/x-www-form-urlencoded enable DoS

Summary request.form accepts maxfields and maxpartsize to bound resource consumption while parsing form data. These limits are enforced for multipart/form-data, but silently ignored for application/x-www-form-urlencoded. An unauthenticated attacker can therefore send a urlencoded body with an...

Starlette: request.form() limits silently ignored for application/x-www-form-urlencoded enable DoS

Summary request.form accepts maxfields and maxpartsize to bound resource consumption while parsing form data. These limits are enforced for multipart/form-data, but silently ignored for application/x-www-form-urlencoded. An unauthenticated attacker can therefore send a urlencoded body with an...

Use of Incorrectly-Resolved Name or Reference

Overview starlette is a The little ASGI library that shines. Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference in the reconstruction of request.url when the HTTP request path does not begin with /. An attacker can mislead the application into trusti...

GHSA-JP82-JPQV-5VV3 Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

Summary In affected versions, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example @google.com moves the authority boundary...