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CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Weakness Summary

The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

  • Canonical source: MITRE CWE-444 (opens in a new tab)
  • Published Atomicorp CVE observations: 5
  • Distinct affected products in those observations: 5
  • Active Atomicorp rules associated with this weakness: 28

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-2022-22536SAP Memory Pipes (MPI) Desynchronizationcontent serverAttack Blocked by Atomicorp392301
CVE-2025-61884Oracle E-Business Suite - Server-Side Request ForgeryconfiguratorAttack Blocked by Atomicorp337109 , 337110 , 340162 , 340163 , 340165 , 341256 , 342259 , 344360 , 347009 , 390722 , 398021 , 398022
CVE-2017-15643Ikraus Anti Virus 2.16.7 - Remote Code Executionikarus antivirusAttack Blocked by Atomicorp390727 , 392301 , 392648
CVE-2026-48710Starlette - Improper Validation of Unsafe Equivalence in InputstarletteAttack Blocked by Atomicorp320009
CVE-2026-55087Etherpad: x-proxy-path header reflected into admin HTML/JS/CSS (cache-poisoning XSS) and concatenated into redirect (opeetherpadAttack Blocked by Atomicorp333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148

Associated Atomicorp WAF Rules

RuleStatusBehavior
320009Activedisruptive (deny)
333140Activedisruptive (deny)
333141Activedisruptive (deny)
337109Activedisruptive (deny)
337110Activedisruptive (deny)
340087Activedisruptive (deny)
340095Activedisruptive (deny)
340099Activedisruptive (deny)
340147Activedisruptive (deny)
340148Activedisruptive (deny)
340162Activedisruptive (deny)
340163Activedisruptive (deny)
340165Activedisruptive (deny)
341099Activedisruptive (deny)
341256Activedisruptive (deny)
341266Activedisruptive (deny)
342259Activedisruptive (deny)
344360Activedisruptive (deny)
346755Activedisruptive (deny)
347009Activedisruptive (deny)
350147Activedisruptive (deny)
350148Activedisruptive (deny)
390722Activedisruptive (deny)
390727Activedisruptive (deny)
392301Activedisruptive (deny)
392648Activedisruptive (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-273 (opens in a new tab) , CAPEC-33 (opens in a new tab)