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CVE-2026-110886

Status: DeferredCritical (9.8)—
Severity9.8Critical · CVSS 3.1
Exploitation probability0.31 %higher than 23% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Deserialization of Untrusted Data vulnerability in QuantumCloud Conversational Forms for ChatBot conversational-forms allows Object Injection.This issue affects Conversational Forms for ChatBot: from n/a through 1.5.1.

CVSS

Base score
9.8
Version
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.31 %
Percentile among all scored CVEs
23
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector AV:N/PR:N/UI:N permite explotación remota sin autenticación (T1190). El impacto T1059 es inferido de CWE-502 con C:H/I:H/A:H; el texto no confirma ejecución de comandos.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Vulnerability ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network TrafficApplication Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Quantumcloud — Conversational-formsAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
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          "version": "2.0.3",
          "timestamp": "2026-10-19T15:52:03.154133Z"
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "QuantumCloud",
          "product": "Conversational Forms for ChatBot",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "1.5.2",
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              ],
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              "versionType": "custom",
              "lessThanOrEqual": "1.5.1"
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          ],
          "packageName": "conversational-forms",
          "collectionURL": "https://wordpress.org/plugins",
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  ],
  "published": "2026-10-18T11:16:37.450",
  "references": [
    {
      "url": "https://patchstack.com/database/wordpress/plugin/conversational-forms/vulnerability/wordpress-conversational-forms-for-chatbot-plugin-1-5-1-php-object-injection-vulnerability?_s_id=cve",
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  "lastModified": "2026-10-19T16:17:02.990",
  "sourceIdentifier": "audit@patchstack.com"
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