Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

PYSEC-2026-2760 Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

Summary Manually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS o...

PYSEC-2026-2482 flyto-core has Unauthenticated Command Execution via HTTP MCP `execute_module`

Unauthenticated Command Execution via HTTP MCP executemodule Summary The HTTP MCP endpoint POST /mcp in flyto-core accepts unauthenticated JSON-RPC tools/call requests and dispatches them to arbitrary registered modules, including sandbox.executeshell, which passes attacker-controlled input...

PYSEC-2026-2581 Langroid: Sandbox Escape to Remote Code Execution via Incomplete `eval()` Mitigation in TableChatAgent

Advisory Details Title: Sandbox Escape to Remote Code Execution via Incomplete eval Mitigation in TableChatAgent Description: Summary Langroid is vulnerable to a critical Sandbox Escape leading to Remote Code Execution RCE in its TableChatAgent and VectorStore capabilities. When these agents...

PYSEC-2026-2578 Langroid: Path traversal in the file tools allows read/write outside configured current directory

Summary Langroid's ReadFileTool and WriteFileTool appear to treat currdir as the intended working-directory boundary for file operations. However, the tools only change the process working directory to currdir and then operate on the user-supplied filepath without resolving and enforcing that the...

PYSEC-2026-2395 Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the installpackages method of the Code Interpreter client where crafted package name arguments can bypass...

PYSEC-2026-2556 LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders

Summary Several LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search agent middleware that validates a starting directory but not the search pattern or t...

PYSEC-2026-2400 BoxLite has a Timeout Bypass Vulnerability

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 configure a timeout for services running inside the virtual machine. When the timeout is triggered, BoxLite sends a signal to kill the...

PYSEC-2026-2515 hermes-agent has a sandbox issue

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function executecode of the file tools/codeexecutiontool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The...

PYSEC-2026-2704 Open WebUI has stored XSS via the HTML renedering view

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...

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...

PYSEC-2026-3402 verl's math_equal() Vulnerable to Arbitrary Code Execution via Unsafe eval()

A vulnerability was identified in ByteDance verl up to 0.7.1. Affected is the function mathequal of the file primemath/grader.py. The manipulation leads to a sandbox issue. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be...

PYSEC-2026-2898 PraisonAI Vulnerable to Code Injection and Protection Mechanism Failure

PraisonAI's AST-based Python sandbox can be bypassed using type.getattribute trampoline, allowing arbitrary code execution when running untrusted agent code. Description The executecodedirect function in praisonaiagents/tools/pythontools.py uses AST filtering to block dangerous Python attributes...

PYSEC-2026-2613 Lupa has a Sandbox escape and RCE due to incomplete attribute_filter enforcement in getattr / setattr

Summary The attributefilter in the Lupa library is intended to restrict access to sensitive Python attributes when exposing objects to Lua. However, the filter is not consistently applied when attributes are accessed through built-in functions like getattr and setattr. This allows an attacker to...

PYSEC-2026-2975 PyBlade: SSTI/RCE via Bypassed AST Validation in sandbox.py

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function issafeast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may...

PYSEC-2026-2921 PraisonAI Has Sandbox Escape via shell=True and Bypassable Blocklist in SubprocessSandbox

Summary SubprocessSandbox in all modes BASIC, STRICT, NETWORKISOLATED calls subprocess.run with shell=True and relies solely on string-pattern matching to block dangerous commands. The blocklist does not include sh or bash as standalone executables, allowing trivial sandbox escape in STRICT mode...

PYSEC-2026-3030 PySpector has a Plugin Sandbox Bypass leads to Arbitrary Code Execution

Summary PySpector versions = 0.1.6 are affected by a security validation bypass in the plugin system. The validateplugincode function in pluginsystem.py, performs static AST analysis to block dangerous API calls before a plugin is trusted and executed. However, the internal resolvename helper onl...

PYSEC-2026-2628 MCP Run Python has a Sandbox Escape & Server Takeover Vulnerability

Impact Critical Sandbox Escape & Server Takeover: A critical security vulnerability exists in mcp-run-python due to a lack of isolation between the Python runtime Pyodide and the host JavaScript environment. The runPython and runPythonAsync functions execute Python code using Pyodide without...

PYSEC-2026-2627 MCP Run Python Deno Sandbox Misconfiguration Allows SSRF Attacks via Localhost Access

Impact Server-Side Request Forgery SSRF: A security vulnerability exists in the mcp-run-python tool specifically within the Pydantic-AI integration due to an overly permissive Deno sandbox configuration. The tool configures the Deno runtime—which is intended to isolate the execution of untrusted...

MAL-2026-10437 Malicious code in jsonfb (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 7fc07bf73ed684a1d555baa4dc6cadcd170bde4da4779ef62c0dd3f9cf02c99a Package [email protected] is presented as a JSON.parse bigint helper mimicking json-bigint, and re-using the real json-bigint maintainer's name in...