CVE-2026-66650: CWE-502 Deserialization of Untrusted Data in Theme-Rex FreightCo
Description
CVE-2026-66650 is a critical vulnerability in Theme-Rex FreightCo versions up to and including 1.1.15. It involves unauthenticated PHP Object Injection due to deserialization of untrusted data (CWE-502). This flaw allows an attacker to execute arbitrary code remotely without any authentication.
CVSS v3.1
Score 9.8critical
Affected software
Theme-Rex
FreightCo
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an unauthenticated PHP Object Injection in FreightCo software versions <= 1.1.15. It arises from unsafe deserialization of untrusted data, classified under CWE-502. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, no privileges required, no user interaction, and full confidentiality, integrity, and availability impact. No official patch or remediation guidance is currently provided by the vendor or authoritative sources. There are no known exploits in the wild at this time.
Potential Impact
Successful exploitation can lead to remote code execution with full system compromise, affecting confidentiality, integrity, and availability of the affected system. Since the vulnerability is unauthenticated and remotely exploitable, it poses a high risk to affected installations.
Mitigation Recommendations
No official patch or remediation is currently available. Users should monitor the vendor's advisory channels for updates. Until a fix is released, consider restricting access to the affected application and applying any available workarounds from the vendor if published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-27T14:00:38.499Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a8c341dacd9273b497e22d1
Added to database: 08/24/2026, 12:07:57 UTC
Last enriched: 09/10/2026, 11:22:50 UTC
Last updated: 10/08/2026, 18:48:47 UTC
Views: 63
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