CVE-2026-54804: CWE-288 Authentication Bypass Using an Alternate Path or Channel in melhorenvio Melhor Envio
CVE-2026-54804 is a high-severity authentication bypass vulnerability affecting Melhor Envio versions up to and including 2.16.3. It involves broken authentication that allows an attacker to bypass normal authentication mechanisms using an alternate path or channel. The vulnerability impacts confidentiality, integrity, and availability to varying degrees. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-288 (Authentication Bypass Using an Alternate Path or Channel), affects Melhor Envio software versions <= 2.16.3. It allows an attacker with low privileges and no user interaction to bypass authentication controls, potentially leading to limited confidentiality and integrity loss and high availability impact. The CVSS v3.1 base score is 7.6, reflecting network attack vector, low attack complexity, and no user interaction required. No patch or official remediation level has been published yet, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
Successful exploitation could allow an attacker to bypass authentication mechanisms, potentially gaining unauthorized access to the system. This may result in limited confidentiality and integrity compromise and significant availability impact. However, there are no known active exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor vendor communications for updates. No official mitigation or temporary fix has been published by the vendor at this time.
CVE-2026-54804: CWE-288 Authentication Bypass Using an Alternate Path or Channel in melhorenvio Melhor Envio
Description
CVE-2026-54804 is a high-severity authentication bypass vulnerability affecting Melhor Envio versions up to and including 2.16.3. It involves broken authentication that allows an attacker to bypass normal authentication mechanisms using an alternate path or channel. The vulnerability impacts confidentiality, integrity, and availability to varying degrees. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.6high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-288 (Authentication Bypass Using an Alternate Path or Channel), affects Melhor Envio software versions <= 2.16.3. It allows an attacker with low privileges and no user interaction to bypass authentication controls, potentially leading to limited confidentiality and integrity loss and high availability impact. The CVSS v3.1 base score is 7.6, reflecting network attack vector, low attack complexity, and no user interaction required. No patch or official remediation level has been published yet, and the product is not a cloud service, so remediation depends on vendor updates.
Potential Impact
Successful exploitation could allow an attacker to bypass authentication mechanisms, potentially gaining unauthorized access to the system. This may result in limited confidentiality and integrity compromise and significant availability impact. However, there are no known active exploits in the wild currently.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor vendor communications for updates. No official mitigation or temporary fix has been published by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-06-16T09:21:34.477Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3280550b89be6888300048
Added to database: 06/17/2026, 11:09:09 UTC
Last enriched: 06/24/2026, 16:32:15 UTC
Last updated: 08/01/2026, 07:18:01 UTC
Views: 65
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