CVE-2026-28176: CWE-502 Deserialization of Untrusted Data in Booking Activities Team Booking Activities
Unauthenticated PHP Object Injection in Booking Activities <= 1.18.4 versions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-28176) affects Booking Activities versions up to 1.18.4 and is caused by unsafe deserialization of untrusted data, allowing unauthenticated PHP object injection. The flaw enables an attacker to execute arbitrary code or manipulate application state, leading to full compromise of the affected system. The CVSS 3.1 score is 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor or advisory sources.
Potential Impact
Successful exploitation can result in full system compromise, including unauthorized code execution and data manipulation. The vulnerability affects confidentiality, integrity, and availability of the Booking Activities application and its data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected application and monitor for suspicious activity related to deserialization or PHP object injection attempts.
CVE-2026-28176: CWE-502 Deserialization of Untrusted Data in Booking Activities Team Booking Activities
Description
Unauthenticated PHP Object Injection in Booking Activities <= 1.18.4 versions.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-28176) affects Booking Activities versions up to 1.18.4 and is caused by unsafe deserialization of untrusted data, allowing unauthenticated PHP object injection. The flaw enables an attacker to execute arbitrary code or manipulate application state, leading to full compromise of the affected system. The CVSS 3.1 score is 8.8, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor or advisory sources.
Potential Impact
Successful exploitation can result in full system compromise, including unauthorized code execution and data manipulation. The vulnerability affects confidentiality, integrity, and availability of the Booking Activities application and its data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected application and monitor for suspicious activity related to deserialization or PHP object injection attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-02-25T12:14:40.739Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7dcd36bf8831d5394701f4
Added to database: 08/13/2026, 13:57:10 UTC
Last enriched: 08/13/2026, 16:56:17 UTC
Last updated: 08/13/2026, 17:57:20 UTC
Views: 2
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