CWE-20

High likelihood

Improper Input Validation

Parent: CWE-707 - Improper Neutralization

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

12,424 vulnerabilities with CWE-20
CVE-2026-33332 HIGH
NiceGUI's unvalidated chunk size parameter in media routes can cause memory exhaustion
CVSS 7.5
CVE-2026-22559 HIGH
UniFi Network Server <10.1.89 - Auth Bypass
CVSS 8.8
CVE-2026-33769 MEDIUM
Astro: Remote allowlist bypass via unanchored matchPathname wildcard
CVSS 5.3
CVE-2026-4755 CRITICAL
CWE-20 in MolotovCherry Android-ImageMagick7
CVSS 9.8
CVE-2026-33250 HIGH
Freeciv21 < 3.1.1 - Unauthenticated Stack-based Buffer Overflow via Crafted Packets
CVSS 7.5
CVE-2026-4538 MEDIUM
PyTorch pt2 Loading deserialization
CVSS 5.3
CVE-2026-3641 MEDIUM
Appmax <= 1.0.3 - Missing Authorization to Order Status Manipulation and Arbitrary Order Creation via Webhook Endpoint
CVSS 5.3
CVE-2026-3460 MEDIUM
REST API TO MiniProgram <= 5.1.2 - Authenticated (Subscriber+) Insecure Direct Object Reference via 'userid' REST API Parameter
CVSS 5.3
CVE-2026-33151 HIGH
socket.io allows an unbounded number of binary attachments
CVSS 7.5
CVE-2026-4438 MEDIUM
gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames
CVSS 5.4
CVE-2026-4519 LOW
webbrowser.open() allows leading dashes in URLs
CVSS 3.3
CVE-2026-33369 MEDIUM
Zimbra Collaboration 10.0-10.1 - LDAP Injection
CVSS 4.3
CVE-2026-31805 MEDIUM
Discourse Poll Plugin post_id - Authorization Bypass
CVSS 5.3
CVE-2026-4451 HIGH
Google Chrome <146.0.7680.153 - Sandbox Escape
CVSS 8.8
CVE-2026-4342 HIGH
ingress-nginx comment-based nginx configuration injection
CVSS 8.8
CVE-2026-3230 LOW
Improper key_share validation in TLS 1.3 HelloRetryRequest
CVSS 2.7
CVE-2026-32622 HIGH
SQLBot: Remote Code Execution via Terminology Poisoning
CVE-2026-27953 HIGH
ormar <0.23.1 Model Constructor - Pydantic Validation Bypass
CVSS 7.1
CVE-2026-32735 LOW
Unpacking Arbitrary Mustache Template Files via `maven-dependency-plugin`
CVE-2026-4407 LOW
Out-of-bounds array write in Xpdf 4.06 due to missing validation
CVE-2026-20643 MEDIUM
macOS < 26.3.2 - Same Origin Policy Bypass via Navigation API
CVSS 5.4
CVE-2026-3644 HIGH
Incomplete control character validation in http.cookies
CVSS 7.5
CVE-2026-23489 CRITICAL
Fields GLPI plugin vulnerable to RCE in dropdown generation
CVSS 9.1
CVE-2026-22204 LOW
wpDiscuz <7.6.47 - Email Header Injection
CVSS 3.7
CVE-2026-1668 CRITICAL
TP-Link Omada Switches - Web Interface Memory Corruption Code Execution
CVSS 9.8
Details
Vulnerabilities 12,424
Exploit Likelihood High