CVE-2026-94503Network attack vector

Web-shell upload via unrestricted file upload

Published Oct 9, 2026 · Updated Oct 9, 2026

Unrestricted file upload in Px-Lab Zombify 1.7.7 and earlier allows remote attackers to upload a web shell to the server. The published record does not identify the upload handler or the failed file-type validation. Exploitation requires no authentication or user interaction; execution of the uploaded shell depends on server handling of the file.

CVSS severity10.0
Critical
EPSS probability0.28%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Px-Lab Zombify 1.7.7 and earlier allows remote attackers to upload a web shell to the server. The published record does not identify the upload handler or the failed file-type validation. Exploitation requires no authentication or user interaction; execution of the uploaded shell depends on server handling of the file.

The record

CVE
CVE-2026-94503
Published
Oct 9, 2026
Updated
Oct 9, 2026
Vendor
Px-Lab
Product
Zombify
Classifications
CWE-434, CAPEC-650, T1505.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.7.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Px-Lab · Zombifyversion=0 <=1.7.7

Published CVSS scores

10.0PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
CAPEC-650Upload a Web Shell to a Web Server
T1505.003Web Shell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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