CVE-2026-39545: CWE-502 Deserialization of Untrusted Data in Select-Themes Zermatt
Unauthenticated PHP Object Injection in Zermatt <= 1.6.1 versions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-39545) involves unauthenticated PHP object injection in Select-Themes Zermatt versions up to and including 1.6.1. It is categorized under CWE-502, indicating deserialization of untrusted data. The vulnerability allows an attacker with no privileges and no user interaction to execute arbitrary code or cause denial of service, impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.1, reflecting high severity with network attack vector and high impact metrics. No patch or official remediation level has been published as of the data provided.
Potential Impact
Successful exploitation can lead to full compromise of the affected system's confidentiality, integrity, and availability. Because the vulnerability is exploitable remotely without authentication, it poses a significant risk to affected installations. No known exploits in the wild have been reported yet.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or restricting access to the vulnerable component to mitigate risk. Monitor vendor channels for updates.
CVE-2026-39545: CWE-502 Deserialization of Untrusted Data in Select-Themes Zermatt
Description
Unauthenticated PHP Object Injection in Zermatt <= 1.6.1 versions.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-39545) involves unauthenticated PHP object injection in Select-Themes Zermatt versions up to and including 1.6.1. It is categorized under CWE-502, indicating deserialization of untrusted data. The vulnerability allows an attacker with no privileges and no user interaction to execute arbitrary code or cause denial of service, impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 8.1, reflecting high severity with network attack vector and high impact metrics. No patch or official remediation level has been published as of the data provided.
Potential Impact
Successful exploitation can lead to full compromise of the affected system's confidentiality, integrity, and availability. Because the vulnerability is exploitable remotely without authentication, it poses a significant risk to affected installations. No known exploits in the wild have been reported yet.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or restricting access to the vulnerable component to mitigate risk. Monitor vendor channels for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:48:21.621Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3280400b89be68882ff758
Added to database: 6/17/2026, 11:08:48 AM
Last enriched: 6/17/2026, 11:46:20 AM
Last updated: 6/17/2026, 5:22:35 PM
Views: 3
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