CVE-2026-38751Public exploitNetwork attack vector

Authenticated code execution via unchecked module archive

Published May 4, 2026 · Updated May 4, 2026

Arbitrary file upload in OpenSTAManager 2.10 and earlier allows remote authenticated users to execute PHP through a module archive. The update handler extracts the uploaded ZIP, trusts its MODULE descriptor, and recursively copies the archive directory, including PHP files, into the web-served modules tree. High-privilege access and enabled updates are required; uploaded PHP runs as the web application account.

CVSS severity7.2
High
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in OpenSTAManager 2.10 and earlier allows remote authenticated users to execute PHP through a module archive. The update handler extracts the uploaded ZIP, trusts its MODULE descriptor, and recursively copies the archive directory, including PHP files, into the web-served modules tree. High-privilege access and enabled updates are required; uploaded PHP runs as the web application account.

The record

CVE
CVE-2026-38751
Published
May 4, 2026
Updated
May 4, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 4, 2026CVE publishedPublication date reported by the CVE source.
  2. May 4, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.2GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Web Shell

Public exploit references

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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