PYSEC-2026-2713 Open WebUI allows limited stored XSS vila uploaded html file

Summary Low privileged users can upload HTML files which contain JavaScript code via the /api/v1/files/ backend endpoint. This endpoint returns a file id, which can be used to open the file in the browser and trigger the JavaScript code in the user's browser. Under the default settings, files...

PYSEC-2026-2860 pdfkit: Path traversal in from_string

In JazzCore python-pdfkit 1.0.0, the fromstring method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files...

PYSEC-2026-2619 marimo contains a reflected cross-site scripting vulnerability in the notebook page

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

PYSEC-2026-2759 Open WebUI: Stored XSS in Mermaid Markdown Preview

Summary Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working paylo...

PYSEC-2026-2618 malla: Stored XSS via Meshtastic node names in multiple frontend pages

Node names longname, shortname received via MQTT are stored in SQLite without sanitization and rendered into the DOM without escaping. Any participant on a public Meshtastic MQTT broker can set a malicious node name that executes JavaScript in the browser of every Malla dashboard visitor. Affecte...

PYSEC-2026-2470 ethyca-fides has a DOM-based XSS vulnerability in fides.js via fides_description override

Summary fides.js is the script that renders Fides's consent banner on customer websites. It lets the embedding page override the banner's description text at runtime via a URL query parameter, a JavaScript global, or a cookie. On sites that have opted into HTML-formatted descriptions, the...

PYSEC-2026-2583 LangSmith SDK: Streaming token events bypass output redaction

Summary The LangSmith SDK's output redaction controls hideOutputs in JS, hideoutputs in Python do not apply to streaming token events. When an LLM run produces streaming output, each chunk is recorded as a newtoken event containing the raw token value. These events bypass the redaction pipeline...

PYSEC-2026-3029 Stored XSS in PySpector HTML Report Generation leads to Javascript Code Execution

Summary PySpector versions = 0.1.6 are affected by a stored Cross-Site Scripting XSS vulnerability in the HTML report generator. When PySpector scans a Python file containing JavaScript payloads i.e. inside a string passed to eval , the flagged code snippet is interpolated into the HTML report...

PYSEC-2026-3058 Rucio WebUI Vulnerable to Stored Cross-site Scripting (XSS) through Custom Rule Function

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Custom Rules function of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of...

PYSEC-2026-2499 Google Cloud Vertex AI SDK affected by Stored Cross-Site Scripting (XSS)

Stored Cross-Site Scripting XSS in the genai/evalsvisualization component of Google Cloud Vertex AI SDK google-cloud-aiplatform versions from 1.98.0 up to but not including 1.131.0 allows an unauthenticated remote attacker to execute arbitrary JavaScript in a victim's Jupyter or Colab environment...

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...

MAL-2026-10450 Malicious code in font-hub (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3df3dbd8669e4658a00a698bd8bd233d4c07de13b0f0e5533ca0d456b2ea3cf1 index.js exports a getPlugin function that performs an HTTPS request to https://svganchordev.net/icons/ and passes the response's credits field into...

MAL-2026-10446 Malicious code in react-markable-table (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector da0db97919f41757fe4bcdc456d52ec0ecfbb89741438e5805a7bf5188b022c5 [email protected] is a typosquat of markdown-table declared repo field wooorm/markdown-table. package.json declares a preinstall hook that...

CVE-2026-4765

The CVE-2026-4765 issue affects Tallos Chat (RD Station Conversas) and is triggered in the initialization step via the ‘name’ parameter, where improper sanitization allows stored XSS. The vulnerability can execute arbitrary JavaScript in the context of the application, and is amplified because it...

Malicious code in svg-fetcher (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 542aa371fe6b513dabed7c4f9b5646a104520afa686c6b33abedc21d120ea25f index.js exports getPlugin, which fetches JSON from the hardcoded endpoint https://svganchordev.net/icons/106 and passes the response field...

Malicious code in chai-log (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector f8ffc5e8b4e25d2d7787eb9f3bb9607114e5e4290f0afe2350499b78d5f95642 [email protected] presents itself as a Mocha reporter mirroring the legitimate eth-gas-reporter project matching author name, README, and badges, but th...

Malicious code in eth-base (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bcc98bc680f3d0b8c6dcf396d9f2425a5153658259014384cedf82698413755b The published lib/index.js contains 60KB of obfuscated JavaScript appended after a copy of the legitimate web3.js web3-core-subscriptions module. On...

MAL-2026-10374 Malicious code in sixseven2 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 27752f42df81ff26081065ce5bf64d59fa477dfbed72d1afbd359bffd3ab52df The package declares no install/postinstall/preinstall lifecycle scripts, and its declared main is sw.js — a browser ServiceWorker that uses...

MAL-2026-10378 Malicious code in sixseven6 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3fce7a5f40c9f40116627ed8a771d60c34786bc52648e39e0741fe392ed0120b The package declares no install/postinstall/preinstall lifecycle scripts, and its declared main is sw.js — a browser ServiceWorker that uses...

MAL-2026-10289 Malicious code in backup5-updated (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0fbc0dc5fea4212458853e895b9b9df474401727a4768f47e3016a8c871fd5c7 The package tarball contains multiple heavily obfuscated JavaScript bundles under assets/ AccountPage, DarkVeil, GamesPage, PlusBlockedNote,...