Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.474, database credential fields (redis_password, keydb_password, dragonfly_password, clickhouse_admin_user, clickhouse_admin_password, postgres_user, mysql_user) are validated only as 'string' at the API layer, with zero shell-safety checks. These values are then interpolated directly into Docker Compose YAML command: strings without any escaping. This issue is fixed in version 4.0.0-beta.474.
CVE-2026-42201
This low-severity CVE scores 3.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.3
- EG Score
- 3.3(medium)
- EPSS
- 9.4%
- KEV
- Not listed
Published
July 7, 2026
Last Modified
July 7, 2026
References (5)
- security-advisories@githubhttps://github.com/coollabsio/coolify/commit/bff6d853708f3d7c861279586f107739036e67da
- security-advisories@githubhttps://github.com/coollabsio/coolify/pull/9676
- security-advisories@githubhttps://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.474
- security-advisories@githubhttps://github.com/coollabsio/coolify/security/advisories/GHSA-f35h-g2c2-q36v
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/coollabsio/coolify/security/advisories/GHSA-f35h-g2c2-q36v
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 15× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-15 18:52 UTCEG score recompute
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 06:13 UTCEPSS rescore
- 2026-07-13 06:13 UTCEPSS rescore
- 2026-07-12 22:12 UTCEG score recompute
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 01:31 UTCEG score recompute
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-07 04:51 UTCEG score recompute
- 2026-07-07 04:51 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-78
Frequently asked(5)
What is CVE-2026-42201?
When was CVE-2026-42201 disclosed?
Is CVE-2026-42201 actively exploited?
What is the CVSS score of CVE-2026-42201?
How do I remediate CVE-2026-42201?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-42201
Is Your Infrastructure Affected by CVE-2026-42201?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.