Vulnerability-Lookup

GHSA-7H53-73G8-FJVR

Vulnerability from github – Published: 2026-03-31 12:31 – Updated: 2026-03-31 12:31

Details

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.

Severity ?

7.0 (High)


                  
                    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

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JSON

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  "affected": [],
  "aliases": [
    "CVE-2026-4400"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-31T11:16:14Z",
    "severity": "HIGH"
  },
  "details": "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 \u0027api.1millionbot.com/api/public/conversations/\u0027 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\u0027s conversation ID.",
  "id": "GHSA-7h53-73g8-fjvr",
  "modified": "2026-03-31T12:31:35Z",
  "published": "2026-03-31T12:31:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4400"
    },
    {
      "type": "WEB",
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-1millionbot-millie-chatbot"
    }
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  "schema_version": "1.4.0",
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      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-4400 (GCVE-0-2026-4400)

Vulnerability from cvelistv5 – Published: 2026-03-31 10:12 – Updated: 2026-03-31 13:30

Title

Multiple vulnerabilities in 1millionbot Millie chatbot

Summary

Severity ?

7 (High)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

CWE

CWE-639 - Authorization bypass through User-Controlled key

Assigner

INCIBE

References

URL

Tags

https://www.incibe.es/en/incibe-cert/notices/avis…

Impacted products

	Vendor	Product	Version
	1millionbot	Millie chat	Affected: 3.6.0 (custom)

Credits

David Utón Amaya (m3n0sd0n4ld)

Show details on NVD website

JSON

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                "timestamp": "2026-03-31T13:30:29.404095Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7H53-73G8-FJVR

CVE-2026-4400 (GCVE-0-2026-4400)

Tags

Sightings

Nomenclature