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CWE-693: Protection Mechanism Failure

Weakness Summary

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

  • Canonical source: MITRE CWE-693 (opens in a new tab)
  • Published Atomicorp CVE observations: 6
  • Distinct affected products in those observations: 5
  • Active Atomicorp rules associated with this weakness: 23

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-2026-41900OpenLearnX has Critical Remote Code Execution Through Python Sandbox Escape via Code Execution EnvironmentopenlearnxProtected by Atomicorp rules340014 , 340023 , 340029 , 340193 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 347009 , 390109 , 393655
CVE-2025-40536SolarWinds Web Help Desk unauthenticated RCEweb help deskProtected by Atomicorp rules344370
CVE-2026-54694NationalSecurityAgency/skills-service has Stored XSS via User Registration Enabling Admin Account Takeoverskills-serviceProtected by Atomicorp rules333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148
CVE-2026-39353InvoicePlane: Remote Code Execution via Writable Templates DirectoryInvoicePlaneProtected by Atomicorp rules340014 , 340023 , 340029 , 340193 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 347009 , 393655
CVE-2026-84317Nginx UI: MCP nginx_config_add skips config directive validation → authenticated nginx directive injection (RCE on the onginx-uiProtected by Atomicorp rules340014 , 340023 , 340029 , 340193 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 347009 , 393655
CVE-2026-84318Nginx UI: MCP nginx_config_add Bypasses Directive Validation — Authenticated RCEnginx-uiProtected by Atomicorp rules340014 , 340023 , 340029 , 340193 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 347009 , 393655

Associated Atomicorp WAF Rules

RuleStatusBehavior
333140Activedisruptive (deny)
333141Activedisruptive (deny)
340014Activedisruptive (deny)
340023Activedisruptive (deny)
340029Activedisruptive (deny)
340095Activedisruptive (deny)
340147Activedisruptive (deny)
340148Activedisruptive (deny)
340193Activedisruptive (deny)
341256Activedisruptive (deny)
342259Activedisruptive (deny)
344360Activedisruptive (deny)
344361Activedisruptive (deny)
344363Activedisruptive (deny)
344364Activedisruptive (deny)
344366Activedisruptive (deny)
344370Activedisruptive (deny)
346755Activedisruptive (deny)
347009Activedisruptive (deny)
350147Activedisruptive (deny)
350148Activedisruptive (deny)
390109Activedisruptive (deny)
393655Activedisruptive (deny)

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

CAPEC-1 (opens in a new tab) , CAPEC-107 (opens in a new tab) , CAPEC-127 (opens in a new tab) , CAPEC-17 (opens in a new tab) , CAPEC-20 (opens in a new tab) , CAPEC-22 (opens in a new tab) , CAPEC-237 (opens in a new tab) , CAPEC-36 (opens in a new tab) , CAPEC-477 (opens in a new tab) , CAPEC-480 (opens in a new tab) , CAPEC-51 (opens in a new tab) , CAPEC-57 (opens in a new tab) , CAPEC-59 (opens in a new tab) , CAPEC-65 (opens in a new tab) , CAPEC-668 (opens in a new tab) , CAPEC-74 (opens in a new tab) , CAPEC-87 (opens in a new tab)