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CWE-201: Insertion of Sensitive Information Into Sent Data

Weakness Summary

The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.

  • Canonical source: MITRE CWE-201
  • Published Atomicorp CVE observations: 1
  • Distinct affected products in those observations: 1
  • Active Atomicorp rules associated with this weakness: 3

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-2026-59809SiYuan before v3.8.0 Secret Exfiltration via http_request URLsiyuanAttack Blocked by Atomicorp337109 , 347009 , 390722

Associated Atomicorp WAF Rules

RuleStatusBehavior
337109Activedisruptive (deny)
347009Activedisruptive (deny)
390722Activedisruptive (deny)

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

CAPEC-12 , CAPEC-217 , CAPEC-612 , CAPEC-613 , CAPEC-618 , CAPEC-619 , CAPEC-621 , CAPEC-622 , CAPEC-623