CVE-2026-27429: CWE-502 Deserialization of Untrusted Data in BoldThemes Nifty
CVE-2026-27429 is a critical vulnerability in BoldThemes Nifty versions up to 1.4.1 that allows unauthenticated PHP object injection due to deserialization of untrusted data. This vulnerability can lead to full compromise of confidentiality, integrity, and availability of the affected system. No patch or official remediation guidance is currently provided by the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-27429) involves unauthenticated PHP object injection in BoldThemes Nifty versions up to 1.4.1, caused by unsafe deserialization of untrusted data (CWE-502). The flaw allows remote attackers to execute arbitrary code without authentication, resulting in complete system compromise. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation enables remote unauthenticated attackers to perform PHP object injection, potentially leading to arbitrary code execution and full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected installations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected application and monitor for suspicious activity related to PHP object injection attempts.
CVE-2026-27429: CWE-502 Deserialization of Untrusted Data in BoldThemes Nifty
Description
CVE-2026-27429 is a critical vulnerability in BoldThemes Nifty versions up to 1.4.1 that allows unauthenticated PHP object injection due to deserialization of untrusted data. This vulnerability can lead to full compromise of confidentiality, integrity, and availability of the affected system. No patch or official remediation guidance is currently provided by the vendor.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-27429) involves unauthenticated PHP object injection in BoldThemes Nifty versions up to 1.4.1, caused by unsafe deserialization of untrusted data (CWE-502). The flaw allows remote attackers to execute arbitrary code without authentication, resulting in complete system compromise. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation enables remote unauthenticated attackers to perform PHP object injection, potentially leading to arbitrary code execution and full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected installations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected application and monitor for suspicious activity related to PHP object injection attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-02-19T09:52:32.856Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a31c79b0b89be68883759b7
Added to database: 6/16/2026, 10:00:59 PM
Last enriched: 6/16/2026, 10:31:23 PM
Last updated: 6/17/2026, 4:59:33 AM
Views: 4
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