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.

12,039 vulnerabilities with CWE-20
CVE-2026-28821 HIGH
macOS <14.8.5 - Privilege Escalation
CVSS 8.4
CVE-2026-20686 MEDIUM
Apple Ios And Ipados < 26.3 - Denial of Service
CVSS 5.3
CVE-2026-3912 HIGH
TIBCO ActiveMatrix BusinessWorks Injection Vulnerability
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 - DoS
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 has a poll authorization bypass via post_id array parameter
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 has a Pydantic Validation Bypass via Kwargs Injection in Model Constructor
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
Apple Macos < 26.3.2 (a) - Denial of Service
CVSS 5.4
CVE-2026-3644 MEDIUM
Incomplete control character validation in http.cookies
Details
Vulnerabilities 12,039
Exploit Likelihood High