MCP Servers Are the New Shadow IT for AI

Key Takeaways MCP servers are becoming the default wiring between AI agents and enterprise applications — but most organizations have zero visibility into where they are, what they expose, or how they can be abused. Qualys TotalAI now provides layered discovery of MCP servers across network, host...

Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

GHSA-3M6G-2423-7CP3 Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

Use of Externally-Controlled Format String

Overview json is a JSON implementation as a Ruby extension in C. Affected versions of this package are vulnerable to Use of Externally-Controlled Format String in JSON.parsedoc, allowduplicatekey: false. An attacker can cause denial of service or disclose sensitive information via malicious forma...

Improper handling of null Unicode character when parsing JSON in github.com/modelcontextprotocol/go-sdk

The Go SDK recently transitioned to the segmentio/encoding library for JSON parsing in version 1.3.1. While this change addressed both case-insensitivity and ASCII folding issues, the new parser implemented aggressive key matching that treated keys with null Unicode characters appended at the end...

Interpretation Conflict

Overview Affected versions of this package are vulnerable to Interpretation Conflict in the JSON parsing process. An attacker can manipulate message fields by appending null Unicode characters to keys, causing key collisions and overriding intended values by submitting specially crafted JSON...

GHSA-Q382-VC8Q-7JHJ Improper handling of null Unicode character when parsing JSON in github.com/modelcontextprotocol/go-sdk

The Go SDK recently transitioned to the segmentio/encoding library for JSON parsing in version 1.3.1. While this change addressed both case-insensitivity and ASCII folding issues, the new parser implemented aggressive key matching that treated keys with null Unicode characters appended at the end...

Directory Traversal

Overview wwbn/avideo is an Audio and Video Platform or simply "A Video Platform". Affected versions of this package are vulnerable to Directory Traversal via the listFiles.json.php file. An attacker can enumerate and disclose the absolute paths of .mp4 files located anywhere on the server...

SUSE-SU-2026:0931-1 Security update for jq

This update for jq fixes the following issue: - CVE-2025-9403: test suite assertion failure in JSON parsing consistency validation bsc1248600...

Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

PT-2026-26342

Name of the Vulnerable Software and Affected Versions ormar versions 0.23.0 and below Description ormar, an async mini ORM for Python, has a Pydantic validation bypass issue in its model constructor. This allows unauthenticated users to skip all field validation by injecting " pk only ": true int...

GHSA-RF74-V2FM-23PW Natural Language Toolkit (NLTK) has unbounded recursion in JSONTaggedDecoder.decode_obj() may cause DoS

Summary JSONTaggedDecoder.decodeobj in nltk/jsontags.py calls itself recursively without any depth limit. A deeply nested JSON structure exceeding sys.getrecursionlimit default: 1000 will raise an unhandled RecursionError, crashing the Python process. Affected code File: nltk/jsontags.py, lines...

Uncontrolled Recursion

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to Uncontrolled Recursion via the JSONTaggedDecoder.decodeobj function in jsontags.py. An attacker can cause the application to crash by submittin...

GHSA-XW36-67F8-339X SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering

Summary An unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used. Applications that call JWE::decrypt on attacker-controlled JWEs using PBES2 algorithms are affected. Details PHP version: PHP 8.4.11 SimpleJWT version: v1.1.0 The relevant...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function through the WebSocket message handler in kernel/server/serve.go. An attacker can crash the kernel process and disrupt service availability by sending malformed JSON over an unauthenticated...

GHSA-3G9H-9HP4-654V SiYuan has an Unauthenticated WebSocket DoS via Auth Keepalive Bypass

Summary The SiYuan kernel WebSocket server accepts unauthenticated connections when a specific “auth keepalive” query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on attacker-controlled JSON. A remote attacker can send malformed messages tha...

SiYuan has an Unauthenticated WebSocket DoS via Auth Keepalive Bypass

Summary The SiYuan kernel WebSocket server accepts unauthenticated connections when a specific “auth keepalive” query parameter is present. After connection, incoming messages are parsed using unchecked type assertions on attacker-controlled JSON. A remote attacker can send malformed messages tha...

GHSA-5HMJ-JCGP-6HFF Parse Server leaks protected fields via LiveQuery afterEvent trigger

Impact When a Parse.Cloud.afterLiveQueryEvent trigger is registered for a class, the LiveQuery server leaks protected fields and authData to all subscribers of that class. Fields configured as protected via Class-Level Permissions protectedFields are included in LiveQuery event payloads for all...

OPENSUSE-SU-2026:20392-1 Security update for python-Authlib

This update for python-Authlib fixes the following issues: Changes in python-Authlib: - CVE-2026-27962: JWS deserializecompact allows for signature bypass by accepting user-controlled embedded JWK as verification key bsc1259738 - CVE-2026-28490: cryptographic padding oracle in JWE RSA15 key...

Cross-site Scripting (XSS)

Overview @pdfme/schemas is a TypeScript base PDF generator and React base UI. Open source, developed by the community, and completely free to use under the MIT license! Affected versions of this package are vulnerable to Cross-site Scripting XSS via the selectElement.innerHTML method. An attacker...