CVE-2026-40040

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/13/2026

Last Modified4/17/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-434

References

https://www.vulncheck.com/advisories/pachno-unrestricted-file-upload-remote-code-execution(disclosure@vulncheck.com)

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5982.php(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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