PYSEC-2026-2991 pyload-ng: SSRF via HTTP Redirect Bypass in parse_urls API

Summary The SSRF mitigation added in commit 33c55da for GHSA-7gvf-3w72-p2pg is incomplete. The PREREQFUNCTION-based private IP check was correctly applied to HTTPChunk download path but not to HTTPRequest used by the parseurls API. An authenticated attacker can supply a URL pointing to an...

PYSEC-2026-2660 MLflow authenticated users can enumerate any registered model versions due to lack of per-model permissions checks

In mlflow/mlflow versions up to 3.9.0, the SearchModelVersions REST API endpoint and the mlflowSearchModelVersions GraphQL query lack proper per-model authorization checks when basic authentication is enabled. This allows any authenticated user to enumerate all model versions across all registere...

PYSEC-2026-2768 Open WebUI has an Indirect Object Reference (IDOR) in user notes

Summary The API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. Details - if notes is...

PYSEC-2026-2728 Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)

Summary When setting model permissions so that a group has read access to it, intending for other users to use it, those users also can read the model's system prompt. However users may consider their system prompt confidential, so we consider this a security issue. Compare...

PYSEC-2026-2758 Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

PYSEC-2026-2726 Open WebUI has Broken Access Control for Completions API

Summary Any user X can continue the conversation of any other user Y, as long as the Chat ID of Y is known. User X does not even need to be an admin to do so. Details A user just needs to use the API endpoint: /api/chat/completions with their own API key generated in OWUI and the Chat ID of anoth...

PYSEC-2026-2634 mem0 server lacks authentication and authorization controls for its memory deletion API endpoint

The mem0 1.0.0 server lacks authentication and authorization controls for its memory deletion API endpoint DELETE /memories. The endpoint allows unauthenticated users to delete memory records by specifying arbitrary user identifiers e.g., userid, runid, agentid in the request query parameters. A...

PYSEC-2026-2871 pgAdmin 4 contains local file inclusion (LFI) and server-side request forgery (SSRF) vulnerabilities

Local file inclusion LFI and server-side request forgery SSRF vulnerabilities in pgAdmin 4 LLM API configuration endpoints. User-supplied apikeyfile and apiurl preferences were passed to the LLM provider clients without validation. An authenticated user could read arbitrary server-side files by...

PYSEC-2026-2904 PraisonAI ships and generates a legacy API server with authentication disabled by default, allowing unauthenticated workflow execution

Summary PraisonAI ships a legacy Flask API server with authentication disabled by default. When that server is used, any caller that can reach it can access /agents and trigger the configured agents.yaml workflow through /chat without providing a token. Details The vulnerable server is the shippe...

PYSEC-2026-2703 Open WebUI has Improper Authorization Control

CONFIDENTIAL Vulnerability Disclosure Analysis Documentation --- Vulnerability Details | | Field | Value | |---|-------|-------| | 1 | Discoverer | Taylor Pennington of KoreLogic, Inc. | | 2 | Date Submitted | June 11, 2024 | | 3 | Title | Open WebUI Improper Authorization Control | | 5 | Affecte...

PYSEC-2026-2854 OpenStack Cyborg's Accelerator Request (ARQ) API does not enforce project ownership at any layer

In OpenStack Cyborg before 16.0.1, the Accelerator Request ARQ API does not enforce project ownership at any layer. The projectid column in the database is never populated NULL for every ARQ, database queries have no project filtering, and policy checks are self-referential the authorizewsgi...

PYSEC-2026-2986 pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processes Subscriber

Impact OGC API - Process execution requests can use the subscriber object to requests to internal HTTP services. Patches The issue has been patched in master branch and made available as part of the 0.23.3 release. The patch disables any HTTP requests made to internal resources by default unless...

PYSEC-2026-2682 Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS

Impact A stored Cross-Site Scripting XSS vulnerability in Jupyter Notebook allows attackers to steal authentication tokens from users who open malicious notebook files and interact with elements that the attacker can make look indistinguishable from legitimate controls single click interaction. T...

PYSEC-2026-2381 AstrBot has Incomplete Filtering of Special Elements

A security flaw has been discovered in AstrBotDevs AstrBot up to 4.22.1. This affects the function createtemplate of the file astrbot/dashboard/routes/t2i.py of the component Dashboard API. The manipulation results in improper neutralization of special elements used in a template engine. The atta...

PYSEC-2026-2572 Langflow: DoS Through Lack of File Size Restriction via Deprecated Unauthenticated File Upload API

A security flaw has been discovered in langflow-ai langflow up to 1.1.0. This issue affects the function createuploadfile of the file src/backend/base/Langflow/api/v1/endpoints.py of the component API Endpoint. The manipulation results in unrestricted upload. It is possible to launch the attack...

PYSEC-2026-2920 PraisonAI: Unauthenticated WebSocket Endpoint Proxies to Paid OpenAI Realtime API Without Rate Limits

Summary The /media-stream WebSocket endpoint in PraisonAI's call module accepts connections from any client without authentication or Twilio signature validation. Each connection opens an authenticated session to OpenAI's Realtime API using the server's API key. There are no limits on concurrent...

PYSEC-2026-2997 pyload-ng has a WebUI JSON permission mismatch that lets ADD/DELETE users invoke MODIFY-only actions

Summary Several WebUI JSON endpoints enforce weaker permissions than the core API methods they invoke. This allows authenticated low-privileged users to execute MODIFY operations that should be denied by pyLoad's own permission model. Confirmed mismatches: - ADD user can reorder packages/files...

PYSEC-2026-2988 pyLoad: SSRF in parse_urls API endpoint via unvalidated URL parameter

Vulnerability Details CWE-918: Server-Side Request Forgery SSRF The parseurls API function in src/pyload/core/api/init.py line 556 fetches arbitrary URLs server-side via geturlurl pycurl without any URL validation, protocol restriction, or IP blacklist. An authenticated user with ADD permission...

PYSEC-2026-2924 PraisonAI: SSRF via Unvalidated api_base in passthrough() Fallback

Summary passthrough and apassthrough in praisonai accept a caller-controlled apibase parameter that is concatenated with endpoint and passed directly to httpx.Client.request when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is...

PYSEC-2026-2709 Open WebUI has Broken Access Control in Tool Valves

Summary Broken Access Control in Tool Valves Open WebUI supports function calling through "Tools". Function calling allows an LLM to reliably connect to external tools and interact with external APIs. Exemplary use-cases include connecting to an internal knowledge base, retrieving emails from an...