python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

Summaryprepareenvironment in clicommunicationprotocol.py passes a full copy of os.environ to every CLI subprocess. When combined with the Command Injection vulnerability CWE-78 in substituteutcpargs tracked as GHSA-33p6-5jxp-p3x4, an attacker can exfiltrate all process-level secrets in a single...

PYSEC-2026-3395 python-utcp: Full Process Environment Exposed to CLI Subprocess - Secrets Leakage via Command Injection

Summary prepareenvironment in clicommunicationprotocol.py passes a full copy of os.environ to every CLI subprocess. When combined with the Command Injection vulnerability CWE-78 in substituteutcpargs tracked as GHSA-33p6-5jxp-p3x4, an attacker can exfiltrate all process-level secrets in a single...

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

SummaryAn 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-2026-2758 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...

Open WebUI Vulnerable to Arbitrary File Upload and Path Traversal

CONFIDENTIAL KL-CAN-2024-002 Vulnerability Details| | Field | Value ||---|-------|-------|| 1 | Discoverer | Jaggar Henry & Sean Segreti of KoreLogic, Inc. || 2 | Date Submitted | 2024.03.12 || 3 | Title | Open WebUI Arbitrary File Upload + Path Traversal || 5 | Affected Vendor | Open WebUI || 6 ...

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...

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 | Affected Vendo...

PYSEC-2026-2717 Open WebUI Vulnerable to Arbitrary File Upload and Path Traversal

CONFIDENTIAL KL-CAN-2024-002 Vulnerability Details | | Field | Value | |---|-------|-------| | 1 | Discoverer | Jaggar Henry & Sean Segreti of KoreLogic, Inc. | | 2 | Date Submitted | 2024.03.12 | | 3 | Title | Open WebUI Arbitrary File Upload + Path Traversal | | 5 | Affected Vendor | Open WebUI...

PYSEC-2026-2744 Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

Open WebUI has stored XSS in Excel file preview

SummaryExcel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. DetailsThe...

PYSEC-2026-2471 Ethyca Fides has a Privacy Request Identity Verification Bypass Vulnerability via Duplicate Detection

Summary Fides deployments that enable both subject identity verification and duplicate privacy request detection are affected by a vulnerability in which an administrator can approve a privacy request whose identity was never verified. For erasure policies, this can result in unauthorized deletio...

Ethyca Fides has a Privacy Request Identity Verification Bypass Vulnerability via Duplicate Detection

SummaryFides deployments that enable both subject identity verification and duplicate privacy request detection are affected by a vulnerability in which an administrator can approve a privacy request whose identity was never verified. For erasure policies, this can result in unauthorized deletion...

PYSEC-2026-3426 wireshark-mcp vulnerable to arbitrary file write via export_objects when WIRESHARK_MCP_ALLOWED_DIRS is not configured

Description Impact wireshark-mcp exposes a wiresharkexportobjects MCP tool that accepts an attacker-controlled destdir parameter and passes it to tshark's --export-objects flag with no mandatory path restriction. The path sandbox alloweddirs is None by default and only activates when the...

wireshark-mcp vulnerable to arbitrary file write via export_objects when WIRESHARK_MCP_ALLOWED_DIRS is not configured

Description Impactwireshark-mcp exposes a wiresharkexportobjects MCP tool that accepts an attacker-controlled destdir parameter and passes it to tshark's --export-objects flag with no mandatory path restriction.The path sandbox alloweddirs is None by default and only activates when the environmen...

PYSEC-2026-2418 CKAN has CSRF exemption primed by anonymous requests

Views can be marked as exempt from CSRF protection Access to the views via tokens or unauthenticated requests marked the endpoint as not requiring CSRF protection. The marking was a member variable in flask-wtf.csrf.CSRFProtect, which was stored as a module level variable in the flaskapp...

CKAN has CSRF exemption primed by anonymous requests

Views can be marked as exempt from CSRF protection Access to the views via tokens or unauthenticated requests marked the endpoint as not requiring CSRF protection. The marking was a member variable in flask-wtf.csrf.CSRFProtect, which was stored as a module level variable in the flaskapp...

PraisonAI Vulnerable to Sensitive Environment Variable Exposure via Untrusted MCP Subprocess Execution

PraisonAI’s MCP Model Context Protocol integration allows spawning background servers via stdio using user-supplied command strings e.g., MCP"npx -y @smithery/cli ...". These commands are executed through Python’s subprocess module. By default, the implementation forwards the entire parent proces...

PraisonAI: Coarse-Grained Tool Approval Cache Bypasses Per-Invocation Consent for Shell Commands

SummaryThe approval system in PraisonAI Agents caches tool approval decisions by tool name only, not by invocation arguments. Once a user approves executecommand for any command e.g., ls -la, all subsequent executecommand calls in that execution context bypass the approval prompt entirely. Combin...

PYSEC-2026-2946 PraisonAI: Coarse-Grained Tool Approval Cache Bypasses Per-Invocation Consent for Shell Commands

Summary The approval system in PraisonAI Agents caches tool approval decisions by tool name only, not by invocation arguments. Once a user approves executecommand for any command e.g., ls -la, all subsequent executecommand calls in that execution context bypass the approval prompt entirely...

PYSEC-2026-2918 PraisonAI Vulnerable to Sensitive Environment Variable Exposure via Untrusted MCP Subprocess Execution

PraisonAI’s MCP Model Context Protocol integration allows spawning background servers via stdio using user-supplied command strings e.g., MCP"npx -y @smithery/cli ...". These commands are executed through Python’s subprocess module. By default, the implementation forwards the entire parent proces...