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RBI Assistant Platform CVE-2025-62651

MEDIUM
Incorrect Authorization (CWE-863)
2025-10-17 cve@mitre.org
5.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.8 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Unauthenticated network endpoint with no access control gives AV:N/AC:L/PR:N/UI:N; impact is limited to low-integrity rating tampering (I:L, C/A:N) with no evidence of a cross-authority scope change, so S:U.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Oct 08, 2026 - 23:00 vuln.today
CVE Published
Oct 17, 2025 - 21:15 nvd
MEDIUM 5.8

DescriptionNVD

The Restaurant Brands International (RBI) assistant platform through 2025-09-06 does not implement access control for the bathroom rating interface.

AnalysisAI

Missing access control in the Restaurant Brands International (RBI) assistant platform (all versions through 2025-09-06) leaves the bathroom rating interface reachable and writable by unauthenticated remote requests. The flaw is an authorization failure (CWE-863) whose impact is confined to low-severity integrity tampering with that one feature - no confidentiality or availability effect - and publicly available exploit code exists alongside a public researcher write-up, although EPSS puts near-term exploitation likelihood at only 0.39% (31st percentile) and there is no KEV listing. Because the affected component is a single-vendor, franchise-facing platform rather than ubiquitous software, real exposure is limited to organizations that actually operate an internet-reachable instance of the RBI assistant platform.

Technical ContextAI

The root cause is CWE-863 (Incorrect Authorization): the bathroom rating interface on the RBI assistant platform performs no access-control check, so any network client that can reach the endpoint can invoke it and submit or modify rating data without presenting credentials or a valid session. The CVSS vector (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N per NVD; our assessment normalizes scope to S:U for a 5.3-equivalent impact) confirms the request is unauthenticated (PR:N), requires no user interaction (UI:N), and is network-delivered (AV:N), with the sole consequence being low-integrity modification of rating records. The supplied CPE cpe:2.3:a:rbi:restaurant_brands_international_assistant:*:*:*:*:*:*:*:* uses a wildcard version, so no precise enumeration of affected builds is possible beyond the stated cutoff of 2025-09-06; the platform is associated with the Burger King, Popeyes and Tim Hortons brands, making the assistant endpoints part of consumer-facing ordering/drive-thru infrastructure.

RemediationAI

No vendor-released patch or fixed version is identified in the available data, so remediation must be compensating-control driven. The primary action is to enforce server-side authentication and authorization on the bathroom rating endpoint - require a valid session/token and an explicit role check before accepting any read or write - and to place the entire assistant API behind an authenticated gateway or API-management layer rather than exposing endpoints directly to the internet. Where the endpoint cannot be fixed immediately, block or rate-limit external access to the bathroom rating path at the WAF/reverse proxy (side effect: legitimate in-store or app-initiated rating submissions from the same path will also be blocked, so allow-list trusted source ranges if the feature must remain live), and remove the platform from direct internet exposure via network segmentation or VPN-only access for management and assistant interfaces (side effect: remote drive-thru/franchise management tooling that depends on direct connectivity may break and will need an alternate access path). Because exploit code is publicly available, add monitoring and alerting on anomalous or unauthenticated requests to the bathroom rating endpoint, and review logs for prior tampering. Track vendor statements through the referenced advisories at https://bobdahacker.com/blog/rbi-hacked-drive-thrus/ and the Malwarebytes write-up for any future patch or official mitigation guidance; given the low impact (integrity-only, single feature) and low EPSS score, this should be scheduled as routine rather than emergency remediation.

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CVE-2025-62651 vulnerability details – vuln.today

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