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Atomicorp WAF Rule 344380

Rule Summary

  • Rule ID: 344380
  • Status: Active
  • Alert message: Atomicorp.com WAF Rules: Deserialization gadget chain detected (Java/.NET)
  • Observed CWEs: CWE-20 (3), CWE-22 (1), CWE-73 (1), CWE-78 (1), CWE-94 (2), CWE-434 (1), CWE-502 (16)
  • Revision: 1
  • Rule severity: Critical
  • Phase: 2 (request body)
  • Request surfaces: Request body, Request arguments, JSON request data, SOAP request data
  • Rule action: deny
  • HTTP status: 403
  • Logging: log, auditlog

Description

This rule detects behavior identified by its current alert as “Deserialization gadget chain detected (Java/.NET)” in the request body, request arguments, JSON request data, SOAP request data. It evaluates during the request body phase and denies matching traffic with HTTP status 403.

This is a selected list of documented research observations, not an exhaustive coverage matrix. Absence of a CVE does not imply absence of protection.

CVEVulnerabilityProductCVSSSeverity
CVE-2026-34838Group-Office: Authenticated Remote Code Execution via PHP Insecure Deserialization in AbstractSettingsCollectiongroup-office9.9 (v3.1)Critical
CVE-2015-7501Red Hat JBoss - Insecure Deserializationjboss enterprise application platform9.8 (v3.0)Critical
CVE-2017-18349Fastjson Insecure Deserialization - Remote Code Executionfastjson9.8 (v3.0)Critical
CVE-2019-17564Apache Dubbo 2.5.x-2.7.4 - Insecure Deserializationdubbo9.8 (v3.1)Critical
CVE-2020-10189ManageEngine Desktop Central Java Deserializationmanageengine desktop central9.8 (v3.1)Critical
CVE-2023-29300Adobe ColdFusion - Pre-Auth Remote Code Executioncoldfusion9.8 (v3.1)Critical
CVE-2023-38203Adobe ColdFusion - Deserialization of Untrusted Datacoldfusion9.8 (v3.1)Critical
CVE-2023-43208NextGen Healthcare Mirth Connect - Remote Code Executionmirth connect9.8 (v3.1)Critical
CVE-2026-19912Kaltura HTML5 Video Player, html5 library Arbitrary Code Execution VulnerabilityKaltura HTML5 Video Player, html5 library9.8 (v3.1)Critical
CVE-2026-10042manga-image-translator RCE via Unsafe Pickle Deserialization in Share Modelmanga-image-translator9.2 (v4.0)Critical
CVE-2026-87930MaxSite CMS through 109.6 PHP Object Injection via ci_sessionMaxSite CMS9.2 (v4.0)Critical
CVE-2021-21351XStream <1.4.16 - Remote Code Executionxstream9.1 (v3.1)Critical
CVE-2025-5086Dassault Systèmes DELMIA Apriso (up to 2025) - Insecure Deserializationdelmia apriso9.0 (v3.1)Critical
CVE-2026-14602Remote API <= 0.2 - Unauthenticated PHP Object Injection via remote-api Query ParameterRemote API9.0 (v3.1)Critical
CVE-2026-47722nebula-mesh: Host advanced overrides allow YAML injection into agent config.ymlnebula-mesh8.7 (v4.0)High
CVE-2026-71981Cypht < 2.12.2 PHP Object Injection RCE via back_query Parametercypht8.7 (v4.0)High
CVE-2026-12720Kirki < 6.0.13 - Unauthenticated PHP Object InjectionKirki7.5 (v3.1)High
CVE-2026-19913Kaltura HTML5 Video Player, html5lib library Improper Input Validation VulnerabilityKaltura HTML5 Video Player, html5lib library7.5 (v3.1)High
CVE-2026-61686SolidInvoice: PHP unserialize() called on client-controlled data in DataGrid LiveComponent context propSolidInvoice7.5 (v3.1)High
CVE-2026-16297Clearfy < 2.4.3 - Admin+ PHP Object Injection via Settings ImportClearfy Cache4.1 (v3.1)Medium
CVE-2023-3360Weaver Show Posts < 1.8.1 - Admin+ PHP Object InjectionWeaver Show Posts3.3 (v3.1)Low

Observed CWEs

These CWEs are recorded on published CVEs in the selected observations associated with this rule. They are observational relationships, not a claim that the rule universally blocks every vulnerability assigned to a CWE.

CWERelated Published CVEs
CWE-20CVE-2017-18349 , CVE-2026-19912 , CVE-2026-19913
CWE-22CVE-2026-19912
CWE-73CVE-2026-19913
CWE-78CVE-2023-43208
CWE-94CVE-2026-14602 , CVE-2026-47722
CWE-434CVE-2021-21351
CWE-502CVE-2026-34838 , CVE-2015-7501 , CVE-2019-17564 , CVE-2020-10189 , CVE-2023-29300 , CVE-2023-38203 , CVE-2023-43208 , CVE-2026-10042 , CVE-2026-87930 , CVE-2021-21351 , CVE-2025-5086 , CVE-2026-71981 , CVE-2026-12720 , CVE-2026-61686 , CVE-2026-16297 , CVE-2023-3360