CVE intelligence and bounded remediation

CVE-2026-29109 — SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application

High CVSS 8.6

SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Versions up to and including 8.9.2 contain an unsafe deserialization vulnerability in the SavedSearch filter processing component that allows an authenticated administrator to execute arbitrary system commands on the server. `FilterDefinitionProvider.php` calls `unserialize()` on user-controlled data from the `saved_search.contents` database column without restricting instantiable classes. Version 8.9.3 patches the issue.

Severity
High
CVSS
8.6 (4.0)
Published
2026-03-20
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-502

Affected products

  • suitecrm / suitecrm

Matched remediation archetype

Unsafe deserialization and object reconstruction

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Check exposure

  • Inventory serialization formats accepted from requests, queues, caches, files, cookies, and cross-service messages.
  • Trace whether untrusted input can select classes, types, callbacks, constructors, or object hooks during decoding.
  • Identify signing, schema validation, trust-boundary, and compatibility settings for each decoder.

Remediate safely

  • Replace native object deserialization with a data-only format and explicit schema validation.
  • If replacement is not immediate, use a safe decoder with a minimal type allowlist and disable polymorphic or executable hooks.
  • Update the affected library and add inert tests for unknown types, extra fields, malformed nesting, and unsigned data.

Authoritative sources

Complete CVE record and remediation plan

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