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Improper Input Validation

1,071
CRITICAL
4,031
HIGH
3,494
MEDIUM
283
LOW
9,068 CVEs · Page 28/182
CVE-2025-20105

Improper input validation in some UEFI firmware SMM module for the Intel(R) reference platforms may allow an escalation

CVE-2025-10461

Global file reads caused by improper URL checks in webserver in Softing Industrial Automation GmbH smartLinks on docker

CVE-2026-4407

Out-of-bounds array write in Xpdf 4.06 and earlier, due to incorrect validation of the "N" field in ICCBased color space

CVE-2026-32735

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting i

CVE-2026-3912

Injection vulnerabilities due to validation/sanitisation of user-supplied input in ActiveMatrix BusinessWorks and Enterp

CVE-2026-4982

A user with permission "update world" in any Venueless world is able to exfiltrate chat messages from direct messages or

CVE-2025-14213

Cato Networks’ Socket versions prior to 25 contain a command injection vulnerability that allows an authenticated attack

CVE-2026-6328

Improper input validation, Improper verification of cryptographic signature vulnerability in XQUIC Project XQUIC xquic o

CVE-2026-6409

A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Malici

CVE-2025-13826

Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vu

CVE-2026-41890

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorizati

CVE-2026-34086

Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2

CVE-2026-8369

Improper Input Validation in the NAT64 translator in The OpenThread Authors OpenThread before commit 26a882d on all plat

CVE-2026-44522

Note Mark is an open-source note-taking application. From 0.13.0 to before 0.19.4, the Note Mark application allows auth

CVE-2026-42327

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.7 to before 0.10.79, X509Ref::ocsp_re

CVE-2025-29936

Improper input validation within the AMD Platform Management Framework (PMF) could allow an attacker to unmap arbitrary

CVE-2026-42553

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permi

CVE-2026-53901

Cerebrate before version 1.37 contains a mass-assignment vulnerability in the generic CRUD add path. The add() handler a

CVE-2026-47181

PenguinMod-BackendApi is the backend api for penguinmod. Prior to version 1.0.0, a NoSQL injection vulnerability in the

CVE-2026-47196

Quest Bot is an opensource Discord Bot. Prior to version 1.1.6, the automod add command trims user input but does not re

CVE-2026-7165

The vulnerability is present in the ‘/addJugador’ endpoint: * The 'keyJugador' and 'keyJugadorObjectiu' parameters a

CVE-2026-13006

ACE vulnerability in conditional configuration file processing by QOS.CH logback-core up to and including version 1.5.3

CVE-2026-13603

The payment integration pretix-oppwa provides support for the payment providers VR Payment, Hobex, and potentially othe

CVE-2026-13602

We found a chain of combining multiple weaknesses in the product that could allow an attacker to become any user in the

CVE-2026-59509

An unauthenticated improper input validation vulnerability in the POST /fetch_cve_data endpoint in cve-search. A remote

CVE-2025-58146

There are multiple issues. 1. Updates to the XAPI database sanitise input strings, but try generating the notifica

CVE-2026-22102

A POST request sent to a specific webserver endpoint can be used to write to arbitrary file locations. The endpoint acce

CVE-2026-15757

A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send

CVE-2026-62656

A security flaw was found in certain NETGEAR RAX models that could allow a logged-in user to send specially crafted requ

CVE-2026-62658

A security flaw was discovered in certain NETGEAR Nighthawk RAX series routers that could allow someone already logged i

CVE-2026-62659

A security flaw was discovered in the NETGEAR WAX333 Access Point that could allow someone already logged in and connect

CVE-2026-56349

n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypa

CVE-2026-54728

bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). Prior to BunkerWeb 1.6.12 and BunkerWeb

CVE-2026-16551

Denial-of-Service in Thinkst Applied Research OpenCanary (MongoDB module) allows Excessive Allocation. This issue affe

CVE-2026-54272

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Versions 10.1.1 through 10.2

CVE-2026-67436

Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring systems. In

CVE-2026-59881

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the WebSocket client ac

CVE-2026-53551

free5GC is an open-source implementation of the 5G core network. Prior to 1.4.5, the free5GC AUSF (Authentication Server

CVE-2026-59650

In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects

CVE-2026-69192

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. Prior to 10.3.1, Address4 ac

CVE-2026-69198

ip-address is a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript. From 10.1.1 until 10.2.2, ev

CVE-2026-11835

Time-of-check time-of-use (TOCTOU) vulnerability combined with missing input validation in Caliptra Core ROM (UpdateRese

CVE-2026-18801

OpenMeter contains a stored, or second-order, SQL injection vulnerability in the handling of customer usage-attribution

CVE-2026-46334

OpenSIPS is a Session Initiation Protocol (SIP) server implementation. Versions prior to 3.6.6 and 4.0.0-rc1 contain a d

CVE-2026-54199

Tobit Laboratories AG TeamDavid's Webbox is vulnerable to HTTP header injection through the request body in the applic

CVE-2026-54204

Tobit Laboratories AG TeamDavid's Webbox 's search functionality accepts a “pathnameroot” parameter, which can be set t

CVE-2026-54205

Tobit Laboratories AG TeamDavid's Webbox 's link storing functionality (//ServerClient_celink.htm) accepts a “pathname”

CVE-2026-54206

Tobit Laboratories AG TeamDavid's Webbox 's sending email, fax, SMS, etc. functionality accepts a @@INCLUDE command, wh

CVE-2026-54207

Tobit Laboratories AG TeamDavid's Webbox 's move archive functionality (“!ArcEntryMove”) accepts an arbitrary path, whi

CVE-2026-54208

Tobit Laboratories AG TeamDavid's Webbox application is vulnerable to arbitrary file write, allowing an unauthenticated

Frequently Asked Questions

What is CWE-20?

CWE-20 (Improper Input Validation) is a weakness category in the Common Weakness Enumeration (CWE) system maintained by MITRE. It describes a class of software or hardware vulnerability that can lead to security issues.

How many CVEs are classified as CWE-20?

There are 14,187 CVE records associated with CWE-20 in our database. Of these, 1071 are critical severity, 4031 are high severity, and 3494 are medium severity.

How can I protect against CWE-20 vulnerabilities?

Protection strategies depend on the specific weakness type. General measures include input validation, secure coding practices, regular security testing, and keeping software up to date. CyberStrike can help by automatically scanning your infrastructure for vulnerabilities related to CWE-20 using AI-powered security agents.

Detect CWE-20 Vulnerabilities

CyberStrike's AI agents automatically detect improper input validation vulnerabilities across your infrastructure.

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