CVE-2026-56037
CWE-502Published: July 2, 2026· Updated: Jul 2, 2026
Official Description
Deserialization of Untrusted Data vulnerability in Themify Themify Popup allows Object Injection.
This issue affects Themify Popup: from n/a through 1.4.3.
Technical Analysis
CVE-2026-56037 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-56037 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts