CVE-2025-62649VulnerabilityPublished 17 Oct 2025Updated 29 Oct 2025

CVE-2025-62649: Restaurant Brands International assistant platform · Use of Client-Side Authentication

Affects Restaurant Brands International assistant platformSource CVE Database V5

Not known to be exploited · CVSS 5.8 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score

5.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

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

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 17 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Restaurant Brands International assistant platform	Affected =0	Fixed in–

AI-suggested

To mitigate CVE-2025-62649, RBI must redesign the assistant platform to enforce all authentication and authorization checks on the server side, ensuring that client-side controls cannot be bypassed. Specific recommendations include: 1) Implement robust server-side validation for all order submissions, rejecting any requests that do not meet authentication requirements. 2) Use secure session management and token-based authentication mechanisms that cannot be manipulated client-side. 3) Employ rate limiting and anomaly detection on order submission endpoints to identify and block suspicious activity. 4) Conduct thorough security testing, including penetration testing and code reviews, focusing on authentication flows. 5) Provide timely patches and updates to affected customers and communicate the importance of applying them promptly. 6) For organizations using the platform, implement additional monitoring of order logs and establish manual verification processes for unusual orders until the vulnerability is remediated. 7) Educate staff on recognizing potential fraudulent orders and reporting suspicious activities.

Description

The Restaurant Brands International (RBI) assistant platform through 2025-09-06 relies on client-side authentication for submission of equipment orders.

Impact

For European organizations using the RBI assistant platform, this vulnerability poses a risk of unauthorized submission of equipment orders, which could lead to financial fraud, supply chain disruptions, or operational inefficiencies. While confidentiality and availability are not directly affected, the integrity compromise could result in incorrect or malicious orders being processed, impacting business operations and vendor relationships. Organizations may face increased costs or delays if fraudulent orders are fulfilled or if additional verification steps are required. The risk is heightened for large-scale restaurant chains or franchises operating across Europe that rely on this platform for procurement. Additionally, reputational damage could occur if customers or partners perceive weak security controls. The lack of required privileges or user interaction means attackers can remotely exploit this vulnerability without insider access, increasing the threat surface.

CWE-603Use of Client-Side Authentication (opens in a new tab)
Base weakness
A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check.
Architecture and Design
Do not rely on client side data. Always perform server side authentication.
OWASP ASVS 4.0.3
V2.8.5 (opens in a new tab)
V2.8.4 (opens in a new tab)
V9.2.3 (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 5 Nov 2025, 02:12 UTC

WeaknessesCWE-603

Technical details

References

Community reviews

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