Common Weakness Enumeration
Browse CWEs ranked by the number of vulnerabilities referencing them, and pivot to weakness details, mitigations, and related attack patterns.
385 CWEs ranked in 2026-08
API response| CWE | Name | Mapping usage | Occurrences |
|---|---|---|---|
| CWE-122 | Heap-based Buffer Overflow | Allowed | 5675 |
| CWE-416 | Use After Free | Allowed | 3227 |
| CWE-125 | Out-of-bounds Read | Allowed | 3015 |
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Allowed | 1975 |
| CWE-862 | Missing Authorization | Allowed-with-Review | 1516 |
| CWE-190 | Integer Overflow or Wraparound | Allowed | 1159 |
| CWE-121 | Stack-based Buffer Overflow | Allowed | 1144 |
| CWE-918 | Server-Side Request Forgery (SSRF) | Allowed | 1140 |
| CWE-20 | Improper Input Validation | Discouraged | 1126 |
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | Allowed-with-Review | 989 |
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | Allowed-with-Review | 978 |
| CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | Allowed | 962 |
| CWE-502 | Deserialization of Untrusted Data | Allowed | 940 |
| CWE-863 | Incorrect Authorization | Allowed-with-Review | 857 |
| CWE-306 | Missing Authentication for Critical Function | Allowed | 849 |
| CWE-787 | Out-of-bounds Write | Allowed-with-Review | 824 |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | Allowed | 816 |
| CWE-191 | Integer Underflow (Wrap or Wraparound) | Allowed | 702 |
| CWE-59 | Improper Link Resolution Before File Access ('Link Following') | Allowed | 698 |
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | Allowed-with-Review | 695 |
| CWE-284 | Improper Access Control | Discouraged | 666 |
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | Discouraged | 663 |
| CWE-639 | Authorization Bypass Through User-Controlled Key | Allowed | 642 |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | Allowed-with-Review | 567 |
| CWE-197 | Numeric Truncation Error | Allowed | 485 |
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | Discouraged | 460 |
| CWE-126 | Buffer Over-read | Allowed | 459 |
| CWE-287 | Improper Authentication | Discouraged | 427 |
| CWE-770 | Allocation of Resources Without Limits or Throttling | Allowed | 416 |
| CWE-476 | NULL Pointer Dereference | Allowed | 415 |
| CWE-843 | Access of Resource Using Incompatible Type ('Type Confusion') | Allowed | 388 |
| CWE-908 | Use of Uninitialized Resource | Allowed | 352 |
| CWE-400 | Uncontrolled Resource Consumption | Discouraged | 335 |
| CWE-269 | Improper Privilege Management | Discouraged | 312 |
| CWE-347 | Improper Verification of Cryptographic Signature | Allowed | 301 |
| CWE-822 | Untrusted Pointer Dereference | Allowed | 282 |
| CWE-693 | Protection Mechanism Failure | Discouraged | 241 |
| CWE-415 | Double Free | Allowed | 233 |
| CWE-367 | Time-of-check Time-of-use (TOCTOU) Race Condition | Allowed | 221 |
| CWE-285 | Improper Authorization | Discouraged | 218 |
| CWE-23 | Relative Path Traversal | Allowed | 218 |
| CWE-352 | Cross-Site Request Forgery (CSRF) | Allowed | 213 |
| CWE-434 | Unrestricted Upload of File with Dangerous Type | Allowed | 212 |
| CWE-346 | Origin Validation Error | Allowed-with-Review | 212 |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | Discouraged | 209 |
| CWE-266 | Incorrect Privilege Assignment | Allowed | 207 |
| CWE-73 | External Control of File Name or Path | Allowed | 203 |
| CWE-522 | Insufficiently Protected Credentials | Allowed-with-Review | 200 |
| CWE-345 | Insufficient Verification of Data Authenticity | Discouraged | 169 |
| CWE-829 | Inclusion of Functionality from Untrusted Control Sphere | Allowed | 167 |