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CWE-346: Origin Validation Error

Weakness Summary

The product does not properly verify that the source of data or communication is valid.

  • Canonical source: MITRE CWE-346
  • Published Atomicorp CVE observations: 1
  • Distinct affected products in those observations: 1
  • Active Atomicorp rules associated with this weakness: 4

Atomicorp Research Context

Atomicorp has published CVE-specific research observations associated with this weakness category. Each linked CVE page states whether the tested request was detected or blocked and is the authoritative customer-facing finding.

The CVEs and rules shown here are selected published examples, not a complete list of Atomicorp protections. If a CWE, CVE, or rule is absent from this page, no conclusion should be drawn about whether Atomicorp protects against that weakness or attack method.

A CWE describes a class of software weakness. It does not identify one exploit request, and association with a CWE does not mean that every vulnerability or exploitation path in that category is detected or blocked.

Selected Published CVE Observations

CVEVulnerabilityProductAtomicorp findingObserved rules
CVE-2026-46555WhatsApp MCP: Unauthenticated bridge API allows message sending and arbitrary file exfiltrationwhatsapp mcp serverAttack Blocked by Atomicorp340007 , 344360 , 347009 , 390709

Associated Atomicorp WAF Rules

RuleStatusBehavior
340007Activedisruptive (deny)
344360Activedisruptive (deny)
347009Activedisruptive (deny)
390709Activedisruptive (deny)

MITRE associates this CWE with the following attack-pattern entries. These taxonomy relationships are context, not Atomicorp coverage claims:

CAPEC-111 , CAPEC-141 , CAPEC-142 , CAPEC-160 , CAPEC-21 , CAPEC-384 , CAPEC-385 , CAPEC-386 , CAPEC-387 , CAPEC-388 , CAPEC-510 , CAPEC-59 , CAPEC-60 , CAPEC-75 , CAPEC-76 , CAPEC-89