How severe is CVE-2026-34170?

CVE-2026-34170 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-34170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-34170?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-34170 published?

CVE-2026-34170 was published on 2026-07-07.

CVE-2026-34170

CVE-2026-34170 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Published: 2026-07-07
Last modified: 2026-07-07

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the GithubApp api_url field is used as the base URL for server-side HTTP requests without allowlisting or private IP blocking, allowing an authenticated user to configure a GitHub App source that causes Coolify to request internal services or cloud metadata endpoints. This issue is reported as fixed in version 4.0.0-beta.471.

Frequently asked questions

What is CVE-2026-34170?: Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the GithubApp api_url field is used as the base URL for server-side HTTP requests without allowlisting or private IP blocking, allowing an authenticated user to configure a GitHub App source that causes Coolify to request internal services or cloud metadata endpoints. This issue is reported as fixed in version 4.0.0-beta.471.
How severe is CVE-2026-34170?: CVE-2026-34170 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-34170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-34170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-34170 published?: CVE-2026-34170 was published on 2026-07-07.

References

https://github.com/coollabsio/coolify/security/advisories/GHSA-3g6r-cxv5-3c7h

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