# CVE-2026-42153 — coollabsio coolify

> As of 2026-07-07, CVE-2026-42153 is a HIGH-severity vulnerability in coollabsio coolify, CVSS v3.1 8.8. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-42153 as of 2026-07-07; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-07

## What is CVE-2026-42153?

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, PostgreSQL healthcheck command generation used attacker-controlled database settings (postgres_user and postgres_db) in shell-form commands, allowing an authenticated user to inject commands executed in the database container. This issue is fixed in version 4.0.0-beta.474.

The record classifies CVE-2026-42153 under weakness class [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 91 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-06, last modified 2026-07-07

## Is CVE-2026-42153 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [coollabsio](https://intel.threadlinqs.com/vendors/coollabsio): coolify

## How to fix CVE-2026-42153

No vendor patch reference has been recorded for CVE-2026-42153 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-42153

No threat campaign in the Threadlinqs corpus currently references CVE-2026-42153, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD. Last verified by Threadlinqs on 2026-07-08. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/coollabsio/coolify/security/advisories/GHSA-gvc4-f276-r88p)

**Other references**

- [github.com](https://github.com/coollabsio/coolify/pull/9674)
- [github.com (b74f54302b1a857c22c55fe1210d700859b0b3df)](https://github.com/coollabsio/coolify/commit/b74f54302b1a857c22c55fe1210d700859b0b3df)
- [github.com (v4.0.0 beta)](https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.474)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-42153
Full detection coverage and IOCs for threats exploiting CVE-2026-42153 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp