7.1

CVE-2026-40788: quantumcloud chatbot Missing Authorization

CVSS: 7.1v3.1HighDeferred
Published 15-06-2026Last modified 16-06-2026
Open JSON

Vulnerability summary

CVE-2026-40788 is a high (CVSS 7.1) Missing Authorization vulnerability in quantumcloud chatbot. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.5% of scored vulnerabilities. Fixed in 7.9.9.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-06-2026
    PublishedVulnerability first disclosed.
  2. 16-06-2026
    Last modifiedVulnerability information updated.

Description

Subscriber Broken Access Control in ChatBot <= 7.9.7 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.01 pp

From 0.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Quantumcloud1 product
Wordpress1 product
  • chatbot≤ 7.9.7 (fixed in 7.9.9)

2 vendors · 2 products

References

2 links