Blog

Technical articles, tutorials, and insights about API security.

cve-2026-23693 wordpress api-security open-proxy owasp-api rest-api mailchimp

CVE-2026-23693: How an Unauthenticated WordPress REST API Becomes an Open Proxy — And Why Your WAF Didn't Stop It

ElementsKit Lite exposes a REST endpoint without authentication that accepts client-supplied Mailchimp API credentials. Learn how ContractShield's contract-first validation blocks this CVSS 10.0 vulnerability at the API boundary.

David Martin • February 25, 2026

cve-2026-27194 rce python api-security data-visualization injection pandas

CVE-2026-27194: Remote Code Execution in D-Tale — When Data Visualization Endpoints Become Attack Vectors

D-Tale's /save-column-filter endpoint allows unauthenticated RCE through injection. Learn how ContractShield's contract validation prevents code execution through data visualization APIs.

David Martin • February 25, 2026

cve-2026-24494 sql-injection api-security owasp-api ecommerce business-logic

CVE-2026-24494: SQL Injection Through an Ordering API — How One Parameter Exposes Your Entire Database

Order Up Online Ordering System 1.0 allows unauthenticated SQL injection via the store_id parameter. Learn how ContractShield's schema validation and business logic rules prevent API-layer SQL injection.

David Martin • February 25, 2026

api-security roi cost-analysis business-logic risk-management waf owasp

The Real Cost of Ignoring API Business Logic Security: A Risk Analysis for Decision Makers

API breaches cost enterprises $4.44M on average. Enterprise API security starts at $350K/year. ContractShield bridges the gap with open-core contract-first protection. Here's the math.

David Martin • February 18, 2026

api-security authorization-bypass privilege-escalation cve-2026-26369 cve-2026-26368 json-rpc owasp-api smart-home bfla

Your Smart Home Just Promoted an Attacker to Admin: How Missing API Authorization Checks Lead to Full System Takeover

Two critical CVEs in eNet SMART HOME servers expose how broken function-level authorization in JSON-RPC APIs enables privilege escalation and account takeover — and why WAFs can't stop it.

David Martin • February 18, 2026

cve ai-security milvus vector-database api-security rag

Your AI Startup Probably Runs Milvus. Port 9091 Is Open by Default.

CVE-2026-26190: Milvus vector database exposes full REST API without authentication on port 9091. CVSS 9.8. How to check if you're exposed and how ContractShield helps.

ContractShield Security Team • February 16, 2026

cve security vulnerability api-security rce

This Week in CVEs: A Perfect 10.0 RCE and an Unpatched Industrial Gateway Takeover

Two critical vulnerabilities published this week — Crawl4AI exec() RCE (CVSS 10.0) and ZLAN industrial gateway auth bypass (CVSS 9.8). Same root cause: unprotected API endpoints.

ContractShield Security Team • February 15, 2026

cve prototype-pollution node-js casl

CVE-2026-1774: How Prototype Pollution in CASL Bypasses Your WAF — And How to Stop It

A critical prototype pollution vulnerability in CASL Ability (CVSS 9.8) affects nearly 1 million weekly downloads. Learn why WAFs can't detect it and how contract-first validation catches it.

ContractShield Team • February 13, 2026

cve-2026-1615 jsonpath code-injection rce

CVE-2026-1615: How ContractShield Blocks Arbitrary Code Injection in jsonpath

A critical CVSS 9.8 vulnerability affects all versions of the jsonpath npm package, with 3.2M weekly downloads and no fix available.

David Martin • February 11, 2026

ptaas launch cybersecurity pentesting

Introducing PTaaS — Professional Penetration Testing for SMBs, Starting at €49/month

ContractShield launches PTaaS, making automated penetration testing accessible to small and medium businesses at a fraction of traditional costs.

ContractShield Team • February 9, 2026

sandbox-escape cve-2026-25115 n8n pyodide

CVE-2026-25115: When Python Sandboxes Fail — n8n's Pyodide Escape

Another sandbox escape: n8n's Pyodide-based Python execution proves that sandboxing dynamic languages is fundamentally broken.

David Martin • February 9, 2026

command-injection cve-2026-1281 zero-day ivanti

How ContractShield Could Have Blocked the Ivanti EPMM Zero-Day (CVE-2026-1281)

A deep dive into the actively exploited Ivanti EPMM command injection vulnerability and how contract-first API security could prevent similar attacks.

David Martin • February 2, 2026

prototype-pollution react2shell cve-2025-55182 security

How ContractShield Defends Against Prototype Pollution Attacks Like React2Shell

Learn how ContractShield's contract-first approach blocks prototype pollution attacks like CVE-2025-55182 (React2Shell) at the API boundary.

David Martin • February 1, 2026

comparison spring aws validation

ContractShield vs Input Validation: Why You Need Both

How ContractShield complements Spring Validation and AWS API Gateway with business-logic security that input validation cannot provide.

ContractShield Team • January 20, 2026

yaml contracts tutorial

YAML Contract Definitions: A Complete Guide for ContractShield

Learn how to define API security contracts using YAML in ContractShield. Human-readable, version-control friendly, and powerful.

ContractShield Team • January 18, 2026

security api waf

Why Your WAF Is Not Enough: The Case for Application-Layer Security

Traditional WAFs protect against known patterns. But modern APIs need protection that understands business logic.

ContractShield Team • January 15, 2026