CVE-2025-62642Known exploitationPublic exploitNetwork attack vector

Unauthenticated account creation via enabled signup API

Published Oct 17, 2025 · Updated Oct 17, 2025

Missing authorization in RBI Assistant through 2025-09-06 allows remote attackers to create accounts through its public signup API. The “Anyone Can Join This Party” endpoint leaves user registration enabled and accepts account creation without verifying that the requester is authorized to join. No existing account or user interaction is required; a created account grants access to the hosted platform, while this CVE alone does not establish administrator privileges.

CVSS severity8.6
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in RBI Assistant through 2025-09-06 allows remote attackers to create accounts through its public signup API. The “Anyone Can Join This Party” endpoint leaves user registration enabled and accepts account creation without verifying that the requester is authorized to join. No existing account or user interaction is required; a created account grants access to the hosted platform, while this CVE alone does not establish administrator privileges.

The record

CVE
CVE-2025-62642
Published
Oct 17, 2025
Updated
Oct 17, 2025
Vendor
Restaurant Brands International
Product
Restaurant Brands International Assistant
Classifications
CWE-862, T1136
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 6, 2025Exploitation reportedResearcher exploitation of RBI Assistant signup API
  2. Oct 17, 2025CVE publishedPublication date reported by the CVE source.
  3. Oct 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2025-09-06

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Restaurant Brands International · Restaurant Brands International Assistantversion=0 <=2025-09-06

Published CVSS scores

8.6NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
5.8MITRECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1136Create Account

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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