Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length

SummaryPicklescan uses the numpy.f2py.crackfortran.evallength function a NumPy F2PY helper to execute arbitrary Python code during unpickling. DetailsPicklescan fails to detect a malicious pickle that uses the gadget numpy.f2py.crackfortran.evallength in reduce, allowing arbitrary command executi...

PYSEC-2026-1783 Picklescan is vulnerable to RCE through missing detection when calling numpy.f2py.crackfortran._eval_length

Summary Picklescan uses the numpy.f2py.crackfortran.evallength function a NumPy F2PY helper to execute arbitrary Python code during unpickling. Details Picklescan fails to detect a malicious pickle that uses the gadget numpy.f2py.crackfortran.evallength in reduce, allowing arbitrary command...

PYSEC-2026-1524 Langflow Missing Authentication on Critical API Endpoints

Summary Multiple critical API endpoints in Langflow are missing authentication controls, allowing any unauthenticated user to access sensitive user conversation data, transaction histories, and perform destructive operations including message deletion. This affects endpoints handling personal dat...

Langflow Missing Authentication on Critical API Endpoints

SummaryMultiple critical API endpoints in Langflow are missing authentication controls, allowing any unauthenticated user to access sensitive user conversation data, transaction histories, and perform destructive operations including message deletion. This affects endpoints handling personal data...

filelock has a TOCTOU race condition which allows symlink attacks during lock file creation

ImpactA Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows lock file creation where filelock checks if a file exists before opening it with OTRUNC. An attacke...

Langflow vulnerable to Server-Side Request Forgery

Vulnerability OverviewLangflow provides an API Request component that can issue arbitrary HTTP requests within a flow. This component takes a user-supplied URL, performs only normalization and basic format checks, and then sends the request using a server-side httpx client. It does not block...

PYSEC-2026-1375 filelock has a TOCTOU race condition which allows symlink attacks during lock file creation

Impact A Time-of-Check-Time-of-Use TOCTOU race condition allows local attackers to corrupt or truncate arbitrary user files through symlink attacks. The vulnerability exists in both Unix and Windows lock file creation where filelock checks if a file exists before opening it with OTRUNC. An attack...

PYSEC-2026-1522 Langflow vulnerable to Server-Side Request Forgery

Vulnerability Overview Langflow provides an API Request component that can issue arbitrary HTTP requests within a flow. This component takes a user-supplied URL, performs only normalization and basic format checks, and then sends the request using a server-side httpx client. It does not block...

NiceGUI has a path traversal in app.add_media_files() allows arbitrary file read

SummaryA directory traversal vulnerability in NiceGUI's App.addmediafiles allows a remote attacker to read arbitrary files on the server filesystem. DetailsHello, I am Seungbin Yang, a university student studying cybersecurity. While reviewing the source code of the repository, I discovered a...

LangGraph's SQLite is vulnerable to SQL injection via metadata filter key in SQLite checkpointer list method

ContextA SQL injection vulnerability exists in LangGraph's SQLite checkpoint implementation that allows attackers to manipulate SQL queries through metadata filter keys. This affects applications that accept untrusted metadata filter keys not just filter values in checkpoint search operations...

PYSEC-2026-1700 NiceGUI has a path traversal in app.add_media_files() allows arbitrary file read

Summary A directory traversal vulnerability in NiceGUI's App.addmediafiles allows a remote attacker to read arbitrary files on the server filesystem. Details Hello, I am Seungbin Yang, a university student studying cybersecurity. While reviewing the source code of the repository, I discovered a...

PYSEC-2026-1530 LangGraph's SQLite is vulnerable to SQL injection via metadata filter key in SQLite checkpointer list method

Context A SQL injection vulnerability exists in LangGraph's SQLite checkpoint implementation that allows attackers to manipulate SQL queries through metadata filter keys. This affects applications that accept untrusted metadata filter keys not just filter values in checkpoint search operations...

arcade-mcp-server Has Default Hardcoded Worker Secret That Allows Full Unauthorized Access to All HTTP MCP Worker Endpoints

SummaryThe arcade-mcp HTTP server uses a hardcoded default worker secret "dev" that is never validated or overridden during normal server startup. As a result, any unauthenticated attacker who knows this default key can forge valid JWTs and fully bypass the FastAPI authentication layer. This gran...

vLLM vulnerable to remote code execution via transformers_utils/get_config

Summaryvllm has a critical remote code execution vector in a config class named NemotronNanoVLConfig. When vllm loads a model config that contains an automap entry, the config class resolves that mapping with getclassfromdynamicmodule... and immediately instantiates the returned class. This fetch...

Spotipy has a XSS vulnerability in its OAuth callback server

SummaryXSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. DetailsVulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGETThe...

PYSEC-2026-1192 arcade-mcp-server Has Default Hardcoded Worker Secret That Allows Full Unauthorized Access to All HTTP MCP Worker Endpoints

Summary The arcade-mcp HTTP server uses a hardcoded default worker secret "dev" that is never validated or overridden during normal server startup. As a result, any unauthenticated attacker who knows this default key can forge valid JWTs and fully bypass the FastAPI authentication layer. This...

PYSEC-2026-2015 vLLM vulnerable to remote code execution via transformers_utils/get_config

Summary vllm has a critical remote code execution vector in a config class named NemotronNanoVLConfig. When vllm loads a model config that contains an automap entry, the config class resolves that mapping with getclassfromdynamicmodule... and immediately instantiates the returned class. This...

PYSEC-2026-1389 fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

Summary The fonttools varLib or python3 -m fontTools.varLib script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main code path of fontTools.varLib, used by the fonttools varLib CLI and...

fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

SummaryThe fonttools varLib or python3 -m fontTools.varLib script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main code path of fontTools.varLib, used by the fonttools varLib CLI and a...

PYSEC-2026-1937 Spotipy has a XSS vulnerability in its OAuth callback server

Summary XSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. Details Vulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGET The...