CVE-2026-40040: Unrestricted Upload of File with Dangerous Type in pancho Pachno
Pachno version 1. 0. 6 contains a high-severity vulnerability allowing authenticated users to upload arbitrary file types due to ineffective extension filtering on the /uploadfile endpoint. This flaw enables attackers to upload executable files such as . php5 scripts to web-accessible directories, potentially leading to remote code execution on the server. The vulnerability has a CVSS 4. 0 base score of 8. 7, indicating a significant risk. 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
CVE-2026-40040 is an unrestricted file upload vulnerability in Pachno 1.0.6. Authenticated users can bypass extension filtering on the /uploadfile endpoint to upload arbitrary file types, including executable .php5 scripts. These files can be placed in web-accessible directories, allowing attackers to execute code remotely on the affected server. The vulnerability is rated high severity with a CVSS 4.0 score of 8.7. No vendor-provided patch or official remediation details have been published yet.
Potential Impact
Successful exploitation can lead to remote code execution on the server hosting Pachno 1.0.6, compromising the confidentiality, integrity, and availability of the system. Attackers with authenticated access can upload malicious executable files, potentially gaining full control over the affected server environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict authenticated user permissions to limit file upload capabilities and monitor for suspicious file uploads. Consider implementing additional file validation controls or isolating the upload directory from web execution if possible.
CVE-2026-40040: Unrestricted Upload of File with Dangerous Type in pancho Pachno
Description
Pachno version 1. 0. 6 contains a high-severity vulnerability allowing authenticated users to upload arbitrary file types due to ineffective extension filtering on the /uploadfile endpoint. This flaw enables attackers to upload executable files such as . php5 scripts to web-accessible directories, potentially leading to remote code execution on the server. The vulnerability has a CVSS 4. 0 base score of 8. 7, indicating a significant risk. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40040 is an unrestricted file upload vulnerability in Pachno 1.0.6. Authenticated users can bypass extension filtering on the /uploadfile endpoint to upload arbitrary file types, including executable .php5 scripts. These files can be placed in web-accessible directories, allowing attackers to execute code remotely on the affected server. The vulnerability is rated high severity with a CVSS 4.0 score of 8.7. No vendor-provided patch or official remediation details have been published yet.
Potential Impact
Successful exploitation can lead to remote code execution on the server hosting Pachno 1.0.6, compromising the confidentiality, integrity, and availability of the system. Attackers with authenticated access can upload malicious executable files, potentially gaining full control over the affected server environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict authenticated user permissions to limit file upload capabilities and monitor for suspicious file uploads. Consider implementing additional file validation controls or isolating the upload directory from web execution if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-04-08T13:39:22.100Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69dd369b82d89c981f37506a
Added to database: 4/13/2026, 6:31:55 PM
Last enriched: 4/13/2026, 6:47:38 PM
Last updated: 4/14/2026, 10:02:26 AM
Views: 8
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