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TI-2026-03827 Aliases CVE-2026-4400GHSA-7h53-73g8-fjvr

Multiple vulnerabilities in 1millionbot Millie chatbot

Priority LOW 30CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Insecure Direct Object Reference (IDOR) vulnerability in 1millionbot Millie chat that allows private conversations of other users being viewed by simply changing the conversation ID. The vulnerability is present in the endpoint 'api.1millionbot.com/api/public/conversations/' and, if exploited, could allow a remote attacker to access other users private chatbot conversations, revealing sensitive or confidential data without requiring credentials or impersonating users. In order for the vulnerability to be exploited, the attacker must have the user's conversation ID.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00212 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
1millionbotMillie chat3.6.0—No fix listedCNA
  • Millie chat Vendor1millionbot Affected 3.6.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:1millionbot:millie_chatbot:*:*:*:*:*:*:*:*before 3.6.0Vulnerable1millionbot
  • cpe:2.3:a:1millionbot:millie_chatbot:*:*:*:*:*:*:*:* Versions before 3.6.0 Vulnerable ·1millionbot

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4400
  2. 2026-10-03 Alias added: GHSA-7h53-73g8-fjvr

References

Advisory 1

  • TI-2026-03826 Multiple vulnerabilities in 1millionbot Millie chatbot CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences