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CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action

Weakness Summary

The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.

  • Canonical source: MITRE CWE-350 (opens in a new tab)
  • Published Atomicorp CVE observations: 3
  • Distinct affected products in those observations: 3
  • Active Atomicorp rules associated with this weakness: 18

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-2026-61568@zereight/mcp-gitlab: DNS rebinding reaches local Streamable HTTP MCP transportgitlab-mcpProtected by Atomicorp rules390719
CVE-2026-97875DNS rebinding vulnerability in rojo serve HTTP APIrojoProtected by Atomicorp rules340014 , 340029 , 340193 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 347009 , 393655
CVE-2026-53708ContextForge: DNS TOCTOU race condition causes SSRF protection bypass (/admin/gateways/test)mcp-context-forgeProtected by Atomicorp rules337109 , 337110 , 340162 , 340163 , 344360 , 398021 , 398022

Associated Atomicorp WAF Rules

RuleStatusBehavior
337109Activedisruptive (deny)
337110Activedisruptive (deny)
340014Activedisruptive (deny)
340029Activedisruptive (deny)
340162Activedisruptive (deny)
340163Activedisruptive (deny)
340193Activedisruptive (deny)
344360Activedisruptive (deny)
344361Activedisruptive (deny)
344363Activedisruptive (deny)
344364Activedisruptive (deny)
344366Activedisruptive (deny)
344370Activedisruptive (deny)
347009Activedisruptive (deny)
390719Activedisruptive (deny)
393655Activedisruptive (deny)
398021Activedisruptive (deny)
398022Activedisruptive (deny)

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

CAPEC-142 (opens in a new tab) , CAPEC-275 (opens in a new tab) , CAPEC-73 (opens in a new tab) , CAPEC-89 (opens in a new tab)