Platform
php
Component
suitecrm
Fixed in
7.15.2
8.0.1
CVE-2026-29103 represents a critical Remote Code Execution (RCE) vulnerability affecting SuiteCRM versions 8.0.0 up to, and including, 8.9.2. This vulnerability allows authenticated administrators to execute arbitrary system commands, effectively granting them complete control over the affected server. It is a direct patch bypass of CVE-2024-49774, highlighting a failure in the vendor's previous mitigation efforts. A fix is available in version 8.9.3.
The impact of CVE-2026-29103 is severe. A successful exploit allows an authenticated administrator to execute arbitrary code on the SuiteCRM server. This could lead to complete system compromise, including data exfiltration, modification, or deletion. Attackers could leverage this to install malware, create backdoors, or pivot to other systems within the network. Given SuiteCRM's role as a CRM, sensitive customer data, financial records, and strategic business information are all at risk. The patch bypass nature of this vulnerability suggests that organizations relying on the previous fix for CVE-2024-49774 are particularly vulnerable and may not be aware of the ongoing risk.
CVE-2026-29103 was publicly disclosed on 2026-03-19. The vulnerability's nature as a patch bypass for CVE-2024-49774 increases the likelihood of exploitation, as attackers may target systems that believe they are already protected. Public proof-of-concept (PoC) code is likely to emerge, further increasing the risk. The vulnerability is not currently listed on CISA KEV, but its criticality warrants close monitoring. Given the ease of exploitation once administrator credentials are obtained, active exploitation is probable.
Exploit Status
EPSS
0.32% (55% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2026-29103 is to immediately upgrade SuiteCRM to version 8.9.3 or later. If upgrading is not immediately feasible, consider implementing temporary workarounds. While a direct patch bypass, restricting administrator access and implementing strict input validation on all user-supplied data can reduce the attack surface. Web Application Firewalls (WAFs) configured to detect and block suspicious PHP code execution attempts may offer some protection, though this is not a substitute for patching. Monitor SuiteCRM logs for unusual activity, particularly attempts to execute system commands. After upgrading, confirm the vulnerability is resolved by attempting to trigger the vulnerable PHP token parsing sequence and verifying that it no longer results in code execution.
Update SuiteCRM to version 7.15.1 or higher, or to version 8.9.3 or higher. This corrects the remote code execution vulnerability by preventing the module loader package scanner bypass.
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CVE-2026-29103 is a critical Remote Code Execution vulnerability in SuiteCRM versions 8.0.0 through 8.9.2. It allows authenticated administrators to execute arbitrary system commands, bypassing a previous patch.
If you are running SuiteCRM versions 8.0.0 to 8.9.2, you are potentially affected. Even if you applied the patch for CVE-2024-49774, you remain vulnerable.
Upgrade SuiteCRM to version 8.9.3 or later to remediate the vulnerability. If immediate upgrade is not possible, implement temporary workarounds like restricting administrator access.
While there's no confirmed active exploitation yet, the vulnerability's criticality and patch bypass nature make active exploitation probable. Monitor your systems closely.
Refer to the official SuiteCRM security advisory for details and updates: [https://suitecrm.com/security/bulletins/]
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