Quick answers
- Is CVE-2026-110886 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-110886 being exploited in the wild.
- How severe is CVE-2026-110886?
- Critical severity, with a CVSS score of 9.8, published 18 October 2026.
- Which products and versions are affected?
- QuantumCloud Conversational Forms for ChatBot through 1.5.1.
- Is there a fix for CVE-2026-110886?
- Yes: fixed in 1.5.2. Until then: Patchstack has issued a mitigation rule to block attacks against this vulnerability until the plugin is updated to version 1.5.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-110886 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-110886?
- Check whether you run QuantumCloud Conversational Forms for ChatBot 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.
How to fix
- Fixed in: 1.5.2
Patchstack has issued a mitigation rule to block attacks against this vulnerability until the plugin is updated to version 1.5.2 or later.
Technical details
The vulnerability is a PHP object injection flaw in Conversational Forms for ChatBot versions through 1.5.1, classified as CWE-502 (Deserialization of Untrusted Data). An unauthenticated remote attacker can exploit this via the network to inject malicious objects, achieving arbitrary code execution on the affected WordPress installation.
Affected products
- QuantumCloud Conversational Forms for ChatBot through 1.5.1
Timeline
- 2026-10-16: disclosed
- 2026-10-18: advisory
- 2026-10-16: patched