CVE-2025-62727-Demo

CVE-2025-62727 Demo Victim Description The target victim of CVE-2025-62727 is a simple FastAPI app that: Serves Hello World at /. Serves static files under /static using Starlette's StaticFiles. Auto-generates text files containing A repeated N times for N in 1024, 2048, 50176 on startup. How to...

CVE-2026-17459

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possib...

UNIX Symbolic Link (Symlink) Following

Overview com.sparkjava:spark-core is a web framework for java. Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following in the staticFiles.externalLocation process. An attacker can access sensitive files outside the intended directory by exploiting symbolic link...

CVE-2026-17459

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possib...

Starlette vulnerable to O(n^2) DoS via Range header merging in ``starlette.responses.FileResponse``

SummaryAn unauthenticated attacker can send a crafted HTTP Range header that triggers quadratic-time processing in Starlette's FileResponse Range parsing/merging logic. This enables CPU exhaustion per request, causing denial‑of‑service for endpoints serving files e.g., StaticFiles or any use of...

SUSE 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

A flaw was found in Starlette, a lightweight ASGI framework. On Windows systems, the StaticFiles component is vulnerable to Server-Side Request Forgery SSRF. A remote attacker can exploit this by providing a specially crafted Universal Naming Convention UNC path, which causes the system to initia...

PYSEC-2026-2281

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...

PYSEC-2026-2281

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...

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

CVE-2026-48818 concerns Starlette’s StaticFiles on Windows. In versions up to 1.0.1, when handling UNC paths (for example, \attacker.com\share), os.path.realpath can initiate an outbound SMB connection before the path is rejected, triggering SSRF and exposing the service account’s NTLMv2 credenti...

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...

CVE-2026-48818: Server-Side Request Forgery (SSRF)

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...

GHSA-WQP7-X3PW-XC5R Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Summary When serving static files on Windows, StaticFiles resolves the requested path with os.path.realpath. If a UNC path such as \attacker.com\share reaches the resolver, realpath causes the process to open a connection to the remote host over SMB port 445. This is a server-side request forgery...

PT-2026-49554

Name of the Vulnerable Software and Affected Versions Starlette versions prior to 1.1.0 Description On Windows, the StaticFiles component is susceptible to Server-Side Request Forgery SSRF. When a request containing a Universal Naming Convention UNC path, such as attacker.comshare, is processed,...

Path Traversal

org.noear:solon-web-staticfiles is vulnerable to Path Traversal. The vulnerability is due to improper validation of user-supplied file paths in StaticMappings.java, allowing an attacker to access arbitrary files using "../filedir"...

CVE-2025-1584: Path Traversal: '../filedir'

A vulnerability classified as problematic was found in opensolon Solon up to 3.0.8. This vulnerability affects unknown code of the file solon-projects/solon-web/solon-web-staticfiles/src/main/java/org/noear/solon/web/staticfiles/StaticMappings.java. The manipulation leads to path traversal:...