4084 matches found
Hardcoded trust_remote_code=True in Model Implementations Bypasses User Security Control
This report is not public...
Path Traversal in NLTK Downloader Package Metadata Allows Arbitrary File Write
Description The NLTK downloader does not validate file paths constructed from package metadata before writing downloaded files. A malicious NLTK data server can specify arbitrary paths via the subdir and id attributes in the package index XML, allowing arbitrary file write outside the intended...
Remote Code Execution via Flow Studio Node Definitions
Description LOLLMS Flow Studio contains multiple code execution vulnerabilities via unsafe use of Python's exec function. Two distinct code paths allow arbitrary Python code execution on the server: 1. Direct Code Execution via/api/flows/testcode Admin endpoint File: backend/routers/flowstudio.py...
Incomplete Fix for CVE-2025-10279: get_or_create_nfs_tmp_dir() Still Creates World-Writable (0o777) Directories Enabling Local Code Execution
Description Description CVE-2025-10279 huntr bounty 01d3b81e identified that MLflow's getorcreatetmpdir created temporary directories with world-writable permissions 0o777, enabling local attackers to tamper with model artifacts and achieve arbitrary code execution. The fix PR 17544, commit...
Missing Authorization Validation on MLflow MPU Endpoints Leads to Cross-Resource Artifact Overwrite, Model Poisoning, and Cross-Boundary Command Execution on Model Load
Analyzed version: 5af88dc08a54d40dddfc019da9e7f0fd0fcf34e2 git describe: nightly-2300-g5af88dc08, local mlflow.version: 3.10.1.dev0 In --serve-artifacts mode, MLflow exposes MPU endpoints for large-file multipart uploads. However, its authorization logic only covers the /mlflow-artifacts/artifact...
Authentication Bypass on FastAPI Routes (Job API, OTel API) When Basic Auth Enabled
Summary When MLflow is started with authentication enabled --app-name basic-auth and served via uvicorn ASGI, the FastAPI permission middleware only enforces authentication on /gateway/ routes. All other FastAPI routes -- including the Job API /ajax-api/3.0/jobs/ and the OpenTelemetry trace...
Authorization Bypass in SearchModelVersions Allows Any Authenticated User to Enumerate All Model Versions Regardless of Permissions
Summary MLflow's SearchModelVersions REST API endpoint GET /api/2.0/mlflow/model-versions/search and GraphQL query mlflowSearchModelVersions lack per-model authorization checks when basic auth is enabled. Any authenticated user can enumerate ALL model versions across ALL registered models,...
Improper Origin Validation in MLflow Assistant /ajax-api Endpoints Enables Browser-Mediated Local Command Execution
Description Analyzed project version: MLflow 3.9.0 /version, commit 6e61043b0ff5d845bea479d7e7ea24dcd4b2c629. In MLflow 3.9.0, a new feature called MLflow Assistant was introduced, intended only for local development and designed to integrate with Claude Code accepting requests only from loopback...
Arbitrary File Read via Prompt Tag Source Validation Bypass in CreateModelVersion
The createmodelversion handler in mlflow/server/handlers.py uses a client-controlled tag to decide whether to skip source path validation. When a CreateModelVersion request includes the tag mlflow.prompt.isprompt, the helper ispromptrequest returns True, and the entire source validation block...
SSRF in MLflow via user-controlled webhook URL parameter
Description A Server-Side Request Forgery SSRF vulnerability exists in the webhook creation functionality of MLflow. The createwebhook handler accepts a user-controlled url parameter and stores it without any validation. When webhooks are tested or triggered, the sendwebhookrequest function sends...
Zip Slip path traversal in keras.utils.get_file(..., extract=True) archive extraction
Summary Keras' download helper keras.utils.getfile..., extract=True via keras/src/utils/fileutils.py extracts zip/tar archives and attempts to filter unsafe member paths. However, the filter computes its base directory as the process CWD resolvepath"." rather than the extraction target directory...
Infinite Loop Denial of Service via Circular Dependencies in Functional Model Deserialization
Description A vulnerability in keras.src.models.functional.functionalfromconfig allows a Denial of Service DoS attack via an infinite loop. When reconstructing a Functional model from a configuration e.g., via keras.models.loadmodel, the deserialization logic fails to detect or break out of...
H2O-3 PostgreSQL Driver RCE - Bypassing CVE-2025-6544 Mitigation
Description A critical remote code execution vulnerability exists in the unauthenticated REST API endpoint /99/ImportSQLTable in H2O-3 version 3.46.0.9 and prior. The current security mitigation implemented in H2O-3 relies on a parameter blacklist mechanism that exclusively targets MySQL JDBC...
Uncontrolled Recursion in NLTK StupidBackoff Language Model Allows Denial of Service
Description NLTK’s StupidBackoff language model contains an unbounded recursive call in its scoring logic. The recursion depth is directly proportional to the length of the supplied context and is not limited or validated by the library. This behavior is triggered through normal, documented API...
Integer Overflow lead to DOS in handling Accept-Encoding header in API /v2/models/<model-name>/generate
This report is not public...
XSS in Chat Message Leads to Account Tackover
Description The vulnerability resides in the data persistence layer of the application. The fromdict method in the AppLollmsMessage class acts as a "sink" for raw data. It retrieves the content value from an input dictionary and assigns it directly to the object without any form of sanitization o...
Arbitrary File Read via Log Symlink following in FileTaskHandler
This report is not public...
Stored XSS in Home Feed via Post Content Lead to Account Takeover
Description A Stored Cross-Site Scripting XSS vulnerability was identified in the social feature of the application. The backend fails to sanitize user-provided content in the post creation endpoint. This allows an attacker to inject and store malicious JavaScript, which is then executed in the...
Session is not expiring after password resetting
This report is not public...
Path Traversal in Agent Flows via `uuid` (Arbitrary .json File Read/Delete)
Description : Summary I discovered a Path Traversal vulnerability in the AgentFlows component that allows reading and deleting arbitrary .json files on the server. The issue stems from the improper usage of path.join combined with normalizePath. The application resolves the file path using user...
Improper Access Control via Weak JWT Token Leads to Admin Takeover and Privilege Escalation
Description The application's session management is vulnerable to Authorization Bypass and Vertical Privilege Escalation. During dynamic analysis of the application's authentication flow, I discovered that the JSON Web Tokens JWT are signed with a weak secret key. This allowed me to perform an...
Arbitrary Code Execution via Unsafe torch.load() in Trainer Checkpoint Loading
Summary A critical arbitrary code execution vulnerability exists in HuggingFace Transformers' Trainer class. The loadrngstate method at src/transformers/trainer.py:3059 calls torch.load without the weightsonly=True parameter. While a safeglobals context manager wraps this call, it provides no...
TFSMLayer bypasses `safe_mode=True`, allowing attacker-controlled code execution during model inference
Summary TFSMLayer allows loading attacker-controlled TensorFlow SavedModels when deserializing a .keras model, even when safemode=True the default. While TensorFlow does not execute SavedModel functions during load, the attacker-controlled graph is registered during deserialization and executes...
Command Injection through bash -c
This report is not public...
Unbounded Classification Output Sorting Leads to Remote Denial-of-Service in Triton Inference Server
This report is not public...
Unauthenticated File Upload in LollMS
Executive Summary A critical security vulnerability has been identified in LollMS that allows unauthenticated users to upload and process files through the /api/files/extract-text endpoint. This endpoint lacks authentication requirements, contradicting the application's documented "Secure...
Server-Side Request Forgery (SSRF) in LollMS Export Content
Executive Summary A security vulnerability has been identified in LollMS that allows Server-Side Request Forgery SSRF attacks through the /api/files/export-content endpoint. The downloadimagetotemp function downloads images from arbitrary user-controlled URLs without validation, allowing attacker...
Insecure Direct Object Reference (IDOR) in LollMS Friend Request Response
Executive Summary A critical security vulnerability has been identified in LollMS that allows any authenticated user to accept or reject friend requests belonging to other users. The respondrequest function lacks authorization checks, enabling Insecure Direct Object Reference IDOR attacks. Affect...
Content-Type Spoofing in LollMS Image Upload
Executive Summary A security vulnerability has been identified in LollMS that allows authenticated users to bypass file type validation by spoofing the Content-Type header. The /api/upload/chatimage endpoint only validates the HTTP header, not the actual file content, allowing malicious files to ...
Job API exposed without authorization
This report is not public...
Tracing + Assessments Access
This report is not public...
Airflow externalLogUrl Permission Bypass
1. Summary The externalLogUrl endpoint in Airflow’s FastAPI enforces only the weaker Task Instance access permission TASKINSTANCE instead of the intended Task Logs permission TASKLOGS. As a result, low-privileged users who are not authorized to view task logs can still obtain external log access...
Command Injection via Malicious Model Artifacts
A command injection vulnerability exists in MLflow's model serving container initialization code. When deploying a model with envmanager=LOCAL, MLflow reads dependency specifications from the model artifact's pythonenv.yaml file and directly interpolates them into a shell command without...
MLflow Tarfile Path traversal in mlflow/mlflow
Description Vulnerability Report: Unsafe Tar Extraction Path Traversal Due to the lack of path traversal verification in the tar decompression part, it may lead to the possibility of overwriting any file or gaining elevated privileges. This is a non-expected vulnerability. Location File:...
Apache Arrow IPC cached prebuffer path triggers signed integer overflow UB in read-range coalescing
Description Apache Arrow C++ commit d89c14b5d5203bc403fb62060fdf1ef2c0a49339 contains a signed integer overflow undefined behavior in the IO range coalescing logic, specifically in arrow/cpp/src/arrow/io/interfaces.cc:475 arrow::io::internal::CoalesceReadRanges. The overflow is reachable from...
Unsafe Pickle Deserialization in apache-airflow-providers-http leading to RCE via HttpOperator
A High severity Unsafe Deserialization vulnerability exists in the airflow.providers.http package. The HttpOperator uses pickle.loads to deserialize untrusted data received from the Triggerer service via the database in the executecomplete method. This allows an attacker who has gained write acce...
Arbitrary file write via tar traversal
Summary A crafted tar.gz passed to MLflow pyfunc extraction is unpacked with tarfile.extractall without path validation. Archive entries containing .. or absolute paths can escape the destination directory and write arbitrary files on the host. This is reachable when users supply prebuiltenvuri o...
Arbitrary File Read via Absolute Path Input in nltk.util.filestring() enabling Local & Remote File Disclosure
Description The function filestring in nltk.util treats a given string as a filesystem path and directly opens it without validation or sandboxing: def filestringf: if hasattrf, "read": return f.read elif isinstancef, str: with openf as infile: ← Direct unsanitized file access return infile.read...
MLflow SageMaker Command Injection Vulnerability
Description The vulnerability exists in /mlflow/sagemaker/init.py at lines 161-167, where user-supplied container image names are directly interpolated into shell commands without proper sanitization before being passed to os.system. Vulnerable Code Path : CLI Input --container parameter ↓...
Arbitrary Code Execution in NLTK StanfordSegmenter via untrusted JAR loading
Description nltk.tokenize.StanfordSegmenter dynamically loads external Java .jar files without verification or sandboxing. If an attacker can supply or replace the JAR e.g., a poisoned model download, MITM package swap, or dependency poisoning, arbitrary Java bytecode executes at import time...
NLTK – Multiple CorpusReader classes allow Arbitrary File Read via Path Traversal
Description Please enter a description of the vulnerability. Several corpus reader classes in NLTK accept file paths without proper sanitization or path validation. If attackers can control corpus filenames or file inputs common in ML APIs, upload-based NLP pipelines, chatbots, they can traverse...
Arbitrary File Read via FileSystemPathPointer + PlaintextCorpusReader (bypass even if nltk.data.find() is patched
Description A critical path traversal vulnerability exists in NLTK corpus loading. When using PlaintextCorpusReader with FileSystemPathPointer, NLTK allows reading arbitrary filesystem paths with no directory sandboxing, enabling reading of sensitive system files. This vulnerability does not rely...
Command Injection in example_xcom.py via XCom race condition
This report is not public...
Zip Slip Vulnerability in NLTK Downloader Leading to Remote Code Execution
The NLTK downloader component contains a critical vulnerability where the unzipiter function uses zipfile.extractall without path validation or security checks. This allows malicious zip packages to achieve arbitrary code execution when extracted and loaded by NLTK. The vulnerability exists becau...
Unlimited-memory decompression leads to DoS bypassing `--http-max-input-size`
This report is not public...
Persistent Temp-File incomplete cleanup / resource exhaustion in `transformers` Serve
Description The transformers OpenAI-compatible server leaks every base64 image it decodes to disk. Because the temporary files are never cleaned up, an attacker can exhaust disk space by repeatedly calling /v1/chat/completions with base64 imageurl entries. Vulnerable Code In...
Remote code execution via transformers_utils/get_config
This report is not public...
Path traversal vulnerability via `FileSystemPathPointer.join()` method allows unauthorized file access
Description A critical path traversal vulnerability exists in the FileSystemPathPointer.join method within the nltk library. The vulnerability allows attackers to bypass directory restrictions and access files outside the intended directory structure by using path traversal sequences such as ../ ...
MLFlow server is exposed to data exfiltration and destruction due to lack of Origin validation
The MLFlow REST server is vulnerable to DNS rebinding attacks, allowing malicious websites to bypass Same-Origin Policy protections and execute unauthorized calls against REST endpoints. Once rebinding is successful, the attacker can: Query for experiments via the 2.0/mlflow/experiments/search...
text-generation-inference: Unbounded external image fetch in validation leads to resource-exhaustion DoS
Description Text Generation Inference Router DoS via pre-validation image fetch in VLM mode. Affected: Router workspace version 3.3.6 the latest repo, when deployed with a vision/VLM model e.g., Idefics/Mllama/Idefics2/Idefics3/Gemma3/Llama4/Paligemma/LlavaNext/Qwen2VL/Qwen25VL. Pure text LLMs do...