CVE-2026-39539: CWE-502 Deserialization of Untrusted Data in Edge-Themes Alloggio - Hotel Booking
CVE-2026-39539 is a high severity vulnerability affecting Edge-Themes Alloggio - Hotel Booking versions up to 2.1.2. It involves unauthenticated PHP object injection due to deserialization of untrusted data (CWE-502). This vulnerability can lead to complete compromise of confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-39539) in Edge-Themes Alloggio - Hotel Booking (<= 2.1.2) allows unauthenticated attackers to perform PHP object injection via deserialization of untrusted data, classified under CWE-502. The CVSS 3.1 base score is 8.1, indicating high impact with network attack vector, high attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed as of the publication date.
Potential Impact
Successful exploitation can lead to full compromise of the affected system, including unauthorized code execution, data manipulation, and denial of service. The vulnerability is exploitable remotely without authentication, but requires high attack complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to vulnerable endpoints and monitoring for suspicious activity related to deserialization. Avoid using untrusted data in deserialization processes where possible.
CVE-2026-39539: CWE-502 Deserialization of Untrusted Data in Edge-Themes Alloggio - Hotel Booking
Description
CVE-2026-39539 is a high severity vulnerability affecting Edge-Themes Alloggio - Hotel Booking versions up to 2.1.2. It involves unauthenticated PHP object injection due to deserialization of untrusted data (CWE-502). This vulnerability can lead to complete compromise of confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-39539) in Edge-Themes Alloggio - Hotel Booking (<= 2.1.2) allows unauthenticated attackers to perform PHP object injection via deserialization of untrusted data, classified under CWE-502. The CVSS 3.1 base score is 8.1, indicating high impact with network attack vector, high attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability. No patch or official remediation level has been disclosed as of the publication date.
Potential Impact
Successful exploitation can lead to full compromise of the affected system, including unauthorized code execution, data manipulation, and denial of service. The vulnerability is exploitable remotely without authentication, but requires high attack complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider restricting access to vulnerable endpoints and monitoring for suspicious activity related to deserialization. Avoid using untrusted data in deserialization processes where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:48:15.448Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a31c7a00b89be6888375b38
Added to database: 6/16/2026, 10:01:04 PM
Last enriched: 6/16/2026, 10:30:27 PM
Last updated: 6/17/2026, 5:09:42 AM
Views: 4
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