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Vulnerabilities

Vulnerability · CVE-2025-64277

Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a thr

Published Nov 13, 2025 · catalog updated Apr 28, 2026 · QuantumCloud Chatbot

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64277. EPSS is 0.29%. Act only if a listed version of QuantumCloud Chatbot is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Advisory link
Affected products
vendor QuantumCloud Chatbot 0 ≤7.3.9

Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor QuantumCloud Chatbot 0 ≤7.3.90 ≤7.3.9

How to fix CVE-2025-64277

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-64277. EPSS is 0.29%. Act only if a listed version of QuantumCloud Chatbot is installed.

Which versions are affected?

Compare what you have installed with QuantumCloud Chatbot 0 ≤7.3.9 0 ≤7.3.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 13, 2025 · EUVD

    Detected

    Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

  2. Apr 28, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

Sources

  • CVE.orgVulnerability recordCVE-2025-64277

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-64277

    30-day exploitation probability 0.29%

    first.org
  • EUVDVulnerability recordEUVD-2025-163773

    Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 27, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 27, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026