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CVE-2026-40040 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Pachno 1.0.6 contains an unrestricted file upload vulnerability that allows authenticated users to upload arbitrary file types by bypassing ineffective extension filtering to the /uploadfile endpoint. Attackers can upload executable files .php5 scripts to web-accessible directories and execute them to achieve remote code execution on the server.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.vulncheck.com/advisories/pachno-unrestricted-file-upload-remote-code-execution	[email protected]	Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5982.php	[email protected]	AdvisoryExploitTechnical Description

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-434	Unrestricted Upload of File with Dangerous Type	[email protected]

Affected Products

Product	Versions
Pachno	<= 1.0.6 (semver)
CPE cpe:2.3:a:pachno:pachno:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 13, 2026	New CVE Received	[email protected]