CVE-2026-42147Public exploitNetwork attack vector

Authenticated SSRF via unchecked S3 endpoint

Published Jul 7, 2026 · Updated Jul 7, 2026

SSRF in S3 storage handling in coolLabs Coolify before 4.0.0-beta.474 allows remote authenticated users to reach internal services. S3Storage::testConnection() builds an S3 client from an endpoint checked only as a URL and calls files(), issuing a ListObjectsV2 request to that address. Storage-management permission is required; the request can probe internal services or metadata endpoints and expose response details through errors.

CVSS severity4.9
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in S3 storage handling in coolLabs Coolify before 4.0.0-beta.474 allows remote authenticated users to reach internal services. S3Storage::testConnection() builds an S3 client from an endpoint checked only as a URL and calls files(), issuing a ListObjectsV2 request to that address. Storage-management permission is required; the request can probe internal services or metadata endpoints and expose response details through errors.

The record

CVE
CVE-2026-42147
Published
Jul 7, 2026
Updated
Jul 7, 2026
Vendor
coolLabs
Product
Coolify
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 7, 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=< 4.0.0-beta.474

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

coolLabs · Coolifyversion=< 4.0.0-beta.474

Published CVSS scores

4.9GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

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.

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

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-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

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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