Quick answers
- Is CVE-2026-112852 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-112852 being exploited in the wild.
- How severe is CVE-2026-112852?
- High severity, with a CVSS score of 8.1, published 23 October 2026.
- Which products and versions are affected?
- ThemeREX Group Helion through 1.1.12.
- Is there a fix for CVE-2026-112852?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-112852 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-112852?
- Check whether you run ThemeREX Group Helion at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A PHP object injection vulnerability in Helion allows an unauthenticated attacker to manipulate deserialization of untrusted data, enabling arbitrary object instantiation. The attack requires no authentication or user interaction and can be exploited over the network. A successful exploit grants remote code execution on the affected server.
Affected products
- ThemeREX Group Helion through 1.1.12
Timeline
- 2026-10-21: disclosed
- 2026-10-23: advisory