PYSEC-2026-558 Unstructured has Path Traversal via Malicious MSG Attachment that Allows Arbitrary File Write

A Path Traversal vulnerability in the partitionmsg function allows an attacker to write or overwrite arbitrary files on the filesystem when processing malicious MSG files with attachments. Impact An attacker can craft a malicious .msg file with attachment filenames containing path traversal...

PYSEC-2026-341 Flask-Reuploaded vulnerable to Remote Code Execution via Server-Side Template Injection

Impact A critical path traversal and extension bypass vulnerability in Flask-Reuploaded allows remote attackers to achieve arbitrary file write and remote code execution through Server-Side Template Injection SSTI. Patches Flask-Reuploaded has been patched in version 1.5.0 Workarounds 1. Do not...

PYSEC-2026-575 wolfSSL Python module vulnerable to Improper Authentication

A vulnerability in the handling of verifymode = CERTREQUIRED in the wolfssl Python package wolfssl-py causes client certificate requirements to not be fully enforced. Because the WOLFSSLVERIFYFAILIFNOPEERCERT flag was not included, the behavior effectively matched CERTOPTIONAL: a peer certificate...

PYSEC-2026-564 OpenStack Vitrage: Unauthorized Access to the Host can Lead to Eval Injection

In the query parser in OpenStack Vitrage before 12.0.1, 13.0.0, 14.0.0, and 15.0.0, a user allowed to access the Vitrage API may trigger code execution on the Vitrage service host as the user the Vitrage service runs under. This may result in unauthorized access to the host and further compromise...

PYSEC-2026-421 MLflow Use of Default Password Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the basicauth.ini file. The file contains hard-coded default credentials. An attacker can leverage...

PYSEC-2026-418 MLflow: Improper Origin Validation in MLflow Assistant /ajax-api Endpoints Enables Browser-Mediated Local Command Execution

In MLflow version 3.9.0, the MLflow Assistant feature introduced improper origin validation in its /ajax-api endpoints. This vulnerability allows a remote attacker to exploit cross-origin requests from a malicious webpage to interact with the MLflow Assistant running on a victim's local machine. ...

PYSEC-2026-356 imgaug contains an insecure deserialization vulnerability in BackgroundAugmenter class within multicore.py module

The imgaug library thru 0.4.0 contains an insecure deserialization vulnerability in its BackgroundAugmenter class within the multicore.py module. The class uses Python's pickle module to deserialize data received via a multiprocessing queue in the augmentimagesworker method without any safety...

PYSEC-2026-347 Guardrails AI contains a code injection vulnerability in its Hub package installation mechanism

Guardrails AI thru 0.6.7 contains a code injection vulnerability CWE-94 in its Hub package installation mechanism. When installing validator packages via guardrails hub install, the system retrieves a manifest from the Guardrails Hub and dynamically executes a script specified in the postinstall...

PYSEC-2026-330 EPyT-Flow vulnerable to unsafe JSON deserialization (__type__)

Impact EPyT-Flow’s REST API parses attacker-controlled JSON request bodies using a custom deserializer myloadfromjson that supports a type field. When type is present, the deserializer dynamically imports an attacker-specified module/class and instantiates it with attacker-supplied arguments. Thi...

PYSEC-2026-377 Langflow Knowledge Bases API is Vulnerable to Path Traversal

Summary Langflow is vulnerable to Path Traversal in the Knowledge Bases API DELETE /api/v1/knowledgebases. This occurs because user-supplied knowledge base names are concatenated directly into file paths without proper sanitization or boundary validation. An authenticated attacker can exploit thi...

PYSEC-2026-339 FireFighter has unauthenticated SSRF in its Raid jira_bot endpoint that allows IAM credential theft

Impact The POST /api/v2/firefighter/raid/jirabot endpoint CreateJiraBotView is reachable without authentication permissionclasses = permissions.AllowAny. Its attachments payload is fetched server-side via httpx.get with no URL validation, then uploaded as an attachment on the Jira ticket that get...

PYSEC-2026-435 Open WebUI has an LDAP Empty Password Authentication Bypass

LDAP Empty Password Authentication Bypass Affected Component LDAP authentication endpoint: - backend/openwebui/routers/auths.py lines 468-477, user bind with empty password - backend/openwebui/models/auths.py lines 58-60, LdapForm model Affected Versions Current main branch commit 6fdd19bf1 and...

PYSEC-2026-577 rok Python ProxyShare can be used as an SSRF proxy through absolute URL paths

Summary Alice exposes a Python SDK ProxyShare with a fixed target URL. Bob sends a request to the share with an absolute URL in the path. The Flask handler passes that path to urllib.parse.urljoin, which replaces Alice's configured target host with Bob's host and returns the server-side response ...

PYSEC-2026-528 Rucio has SQL Injection in FilterEngine Oracle JSON Path via DID Search API

Summary A SQL injection vulnerability in the Oracle path of FilterEngine.createsqlaquery allows any authenticated Rucio user to execute arbitrary SQL against the backend database through the DID search endpoint GET /dids//dids/search. Attacker-controlled filter keys and values are interpolated...

PYSEC-2026-311 ChromaDB Python project has a pre-authentication code injection vulnerability

A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trustremotecode set to true in...

PYSEC-2026-463 PraisonAI vulnerable to sandbox escape via `print.__self__` builtins module leak in `execute_code` (subprocess mode)

Summary executecode in praisonaiagents/tools/pythontools.py v1.6.37, subprocess sandbox mode can be fully bypassed using print.self to retrieve the real Python builtins module, from which import can be extracted via vars and runtime string construction. This achieves arbitrary OS command executio...

PYSEC-2026-483 PraisonAI vulnerable to sandbox escape via `print.__self__` builtins module leak in `execute_code` (subprocess mode)

Summary executecode in praisonaiagents/tools/pythontools.py v1.6.37, subprocess sandbox mode can be fully bypassed using print.self to retrieve the real Python builtins module, from which import can be extracted via vars and runtime string construction. This achieves arbitrary OS command executio...

PYSEC-2026-508 Compromise of PyTorch Lightning PyPi Package Versions

Security Advisory: Compromise of PyTorch Lightning PyPI Package Versions Published: 2026-04-30 Last Updated: 2026-05-12 Github Advisory: CVE-2026-44484 We have identified a security incident affecting certain versions of one of our PyPI packages. What happened We have determined that one or more...

PYSEC-2026-538 SGLang's multimodal generation runtime has an unauthenticated path traversal vulnerability

SGLang's multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints...

PYSEC-2026-317 Codechecker has an authentication bypass for certain API calls

Summary Authentication bypass occurs when the URL ends with Authentication with certain function calls. This bypass allows assigning arbitrary permissions to any existing user in CodeChecker. Details The following functions are affected under the Authentication endpoint: getAuthorisedNames,...

PYSEC-2026-414 misp-modules website - Missing CSRF protection in the website home blueprint

A Cross-Site Request Forgery vulnerability in the MISP Modules website allowed an attacker to cause an authenticated user to submit unintended requests to the home endpoint. The vulnerability was due to the home blueprint being exempted from CSRF protection. This could allow modification of sessi...

PYSEC-2026-465 PraisonAI `deploy --type api` emits a Flask server with authentication disabled by default

Summary CVE-2026-44338 GHSA-6rmh-7xcm-cpxj documents that PraisonAI ships a code-generator praisonai.deploy.api.generateapiservercode that emits a Flask API server with authentication disabled by default. Users who follow the documented quickstart praisonai deploy --type api get a server that: -...

PYSEC-2026-466 PraisonAI call server exposes unauthenticated agent listing, invocation, and deletion when CALL_SERVER_TOKEN is unset

Summary PraisonAI's call server exposes a network-facing agent control API without authentication when CALLSERVERTOKEN is not configured. The affected component is the praisonai.api.agentinvoke router as mounted by praisonai.api.call. The authentication helper verifytoken fails open when...

PYSEC-2026-481 praisonai-platform: Any workspace member can promote themselves or others to owner via PATCH /workspaces/{id}/members/{user_id}

Summary Type: Vertical privilege escalation. The PATCH /workspaces/workspaceid/members/userid endpoint is gated by requireworkspacememberworkspaceid, which defaults to minrole="member" and is never overridden by the route. The handler then calls MemberService.updateroleworkspaceid, userid,...

PYSEC-2026-404 Ludwig framework is vulnerable to insecure deserialization through its predict() method.

The Ludwig framework thru 0.10.4 is vulnerable to insecure deserialization CWE-502 through its predict method. When a user provides a dataset file path to the predict method, the framework automatically determines the file format. If the file is a pickle .pkl file, it is loaded using...

PYSEC-2026-400 llm CLI tool contains a code injection vulnerability via `--functions` command-line argument

The llm CLI tool thru 0.27.1 contains a critical code injection vulnerability via its --functions command-line argument. This argument is intended to allow users to provide custom Python function definitions. However, the tool directly executes the provided code using the unsafe exec function...

PYSEC-2026-382 Langroid has Prompt to SQL Injection, Leading to RCE

Security Vulnerability Report: Prompt to SQL Injection leading to RCE in latest Langroid Affected Scope langroid @localhost:5432/postgres" Create SQL Chat Agent config = SQLChatAgentConfig databaseuri=DATABASEURI, llm=OpenAIGPTConfig apibase=os.getenv...

PYSEC-2026-560 utcp-cli Vulnerable to Command Injection via Unsanitized Argument Substitution in CLI Communication Protocol

Summary The substituteutcpargs method in clicommunicationprotocol.py inserts user-controlled toolargs values directly into shell command strings without any sanitization or escaping. These commands are then executed via /bin/bash -c Unix or powershell.exe -Command Windows, allowing an attacker to...

PYSEC-2026-482 PraisonAI Platform has a cross-workspace IDOR + member-role privilege escalation

Summary The Platform server exposes resources under /api/v1/workspaces/workspaceid/... and protects them with a requireworkspacememberworkspaceid FastAPI dependency. The dependency only checks that the caller is a member of the workspaceid in the URL prefix. The route handlers then look up the...

PYSEC-2026-354 Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

PYSEC-2026-472 PraisonAI MCP `tools/call` path-traversal => RCE via Python `.pth` injection

Summary PraisonAI's MCP Model Context Protocol server praisonai mcp serve registers four file-handling tools by default — praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and praisonai.workflow.show. Each accepts a path or filename string from MCP tools/call arguments and joi...

PYSEC-2026-535 SGLang: Unauthenticated RCE via --enable-custom-logit-processor

SGLang's multimodal generation runtime is vulnerable to unauthenticated remote code execution when the --enable-custom-logit-processor option is enabled, as Python objects loaded via dill.loads will be deserialized without validation...

PYSEC-2026-536 SGLanG: Multimodal scheduler deserializes untrusted pickle data on 0.0.0.0 ROUTER socket

SGLang's multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads on incoming messages, enabling RCE when exposed to the internet...

PYSEC-2026-546 PySyft server-side arbitrary Python execution after code approval

PySyft Syft Datasite/Server versions 0.9.5 and earlier are vulnerable to remote code execution due to insufficient validation and sandboxing of user-submitted code. The system allows low-privileged users to submit Python functions via @sy.syftfunction for remote execution on the server. While a...

PYSEC-2026-328 django-s3file is vulnerable to relative path traversal

Impact S3FileMiddleware is vulnerable to relative path traversal attacks, where an attacker can use a modified request to escape pre-signed upload locations and have the Django application load files from random locations into request.FILES Depending on how files are handled, this may lead to...

PYSEC-2026-527 Rucio has SQL Injection in FilterEngine PostgreSQL Query Builder via DID Search API

Summary A SQL injection vulnerability in FilterEngine.createpostgresquery allows any authenticated Rucio user to execute arbitrary SQL against the configured PostgreSQL metadata database through the DID search endpoint GET /dids//dids/search. When the external metadata plugin postgresmeta is...

PYSEC-2026-406 mamba language model framework vulnerable to insecure deserialization when loading pre-trained models from HuggingFace Hub

The mamba language model framework thru 2.2.6 is vulnerable to insecure deserialization CWE-502 when loading pre-trained models from HuggingFace Hub. The MambaLMHeadModel.frompretrained method uses torch.load to load the pytorchmodel.bin weight file without enabling the security-restrictive...

PYSEC-2026-282 APScheduler's JSONSerializer and CBORSerializer are vulnerable to Remote Code Execution (RCE) via Insecure Deserialization

The JSONSerializer and CBORSerializer in APScheduler all versions including 3.10.x and 4.0.0a5 are vulnerable to Remote Code Execution RCE via Insecure Deserialization. The unmarshalobject function allows for arbitrary class instantiation and state injection by dynamically importing modules and...

PYSEC-2026-283 ArchiveBox Vulnerable to RCE via unvalidated per-crawl config overrides in AddView

The /add/ endpoint AddView in core/views.py accepts a config JSON field that gets merged into the crawl config without validation. This config is exported as environment variables when archive plugins run, allowing injection of arbitrary tool arguments to achieve RCE. When PUBLICADDVIEW=True comm...

PYSEC-2026-320 dash-uploader has a directory traversal vulnerability

Impact An unauthenticated path traversal vulnerability exists in dash-uploader versions 0.1.0 through 0.7.0a2. The library's HTTP request handler at dashuploader/httprequesthandler.py reads three form parameters uploadid, resumableFilename, resumableIdentifier from request.form.get and passes the...

PYSEC-2026-298 Boxlite: Path Traversal Vulnerability Leads to Arbitrary File Write on the Host

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and run OCI containers within them. Boxlite allows users to specify the OCI image used by containers in the sandbox. However, when processing tar entries in OCI images, Boxlite does not account for...

PYSEC-2026-419 mlflow: FastAPI job endpoints under `/ajax-api/3.0/jobs/*` are not protected by authentication or authorization

In mlflow/mlflow, the FastAPI job endpoints under /ajax-api/3.0/jobs/ are not protected by authentication or authorization when the basic-auth app is enabled. This vulnerability affects the latest version of the repository. If job execution is enabled MLFLOWSERVERENABLEJOBEXECUTION=true and any j...

PYSEC-2026-486 PraisonAI has sandbox escape via exception frame traversal in `execute_code` (subprocess mode)

Summary executecode in praisonaiagents.tools.pythontools defaults to sandboxmode="sandbox", which runs user code in a subprocess wrapped with a restricted builtins dict and an AST-based blocklist. The AST blocklist embedded inside the subprocess wrapper blockedattrs, line 143 of pythontools.py...

PYSEC-2026-478 PraisonAI's unauthenticated A2A official example can reach real LLM-driven `eval()` tool execution

Summary The first-party PraisonAI A2A server example combines three behaviors into a remotely exploitable Critical chain: 1. The example exposes an A2A server without configuring authtoken. 2. The same example binds the server to 0.0.0.0. 3. The example registers a calculateexpression tool...

PYSEC-2026-574 wger: cross-tenant password reset and plaintext disclosure via gym=None bypass

Summary The resetuserpassword and gympermissionsuseredit views in wger perform a gym-scope authorization check using Python object comparison != that evaluates None != None as False, silently bypassing the guard when both the attacker and victim have no gym assignment gym=None. A user with...

PYSEC-2026-299 BoxLite: Permission Bypass Allows Modification of Read-Only Files

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. One of the core security features claimed by Boxlite is the ability to mount host directories in read-only mode readonly=True into the V...

PYSEC-2026-452 pgAdmin 4 server mode has an authorization vulnerability affecting Server Groups, Servers, Shared Servers, Background Processes, and Debugger modules

Authorization vulnerability in pgAdmin 4 server mode affecting Server Groups, Servers, Shared Servers, Background Processes, and Debugger modules. Multiple endpoints fetched user-owned objects without filtering by the requesting user's identity. An authenticated user could access another user's...

PYSEC-2026-438 OpenViking: Unauthenticated remote bot control via OpenAPI HTTP routes

OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the apikey configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke...

PYSEC-2026-405 Ludwig framework is vulnerable to insecure deserialization in its model serving component

The Ludwig framework thru 0.10.4 is vulnerable to insecure deserialization CWE-502 in its model serving component. When starting a model server with the ludwig serve command, the framework loads model weight files using torch.load without enabling the security-restrictive weightsonly=True...

PYSEC-2026-371 Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page...