CVE-2026-45139Public exploitNetwork attack vector

Persistent service interruption via unchecked destructive file paths

Published Jul 20, 2026 · Updated Jul 20, 2026

Path manipulation in CI4MS before 0.31.9.0 allows remote authenticated users to cause persistent service interruption through Fileeditor. The deleteFileOrFolder and renameFile endpoints pass source paths to unlink and rename without the extension check applied to write operations. Fileeditor delete or update permission is required; critical application files outside the hidden-items blocklist can be removed or neutralized, leaving recovery dependent on filesystem redeployment.

CVSS severity6.5
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path manipulation in CI4MS before 0.31.9.0 allows remote authenticated users to cause persistent service interruption through Fileeditor. The deleteFileOrFolder and renameFile endpoints pass source paths to unlink and rename without the extension check applied to write operations. Fileeditor delete or update permission is required; critical application files outside the hidden-items blocklist can be removed or neutralized, leaving recovery dependent on filesystem redeployment.

The record

CVE
CVE-2026-45139
Published
Jul 20, 2026
Updated
Jul 20, 2026
Vendor
Ci4MS
Product
CI4MS
Classifications
CWE-73, T1485
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 20, 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=< 0.31.9.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Ci4MS · CI4MSversion=< 0.31.9.0

Published CVSS scores

6.5GitHubCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-73External Control of File Name or Path
T1485Data Destruction

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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