RCE in Coollabsio Coolify
CVE-2026-12815
A vulnerability has been found in coollabsio coolify 4.0.0. Impacted is an unknown function of the component Image Name Handler. Such manipulation leads to os command injection. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way. The changelog for 4.1.2 mentions "[i]mproved image, branch, proxy, and deployment input validation".
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Coollabsio Coolify — versions 4.0.0
Weakness classification (CWE)
References
- vuldb.com/vuln/372609 (vdb-entry)
- vuldb.com/vuln/372609/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-12815 (third-party-advisory)
- vuldb.com/submit/837577 (third-party-advisory)
- github.com/dxz0069/softwareoverflow/blob/main/coolify_docker_image_reference_sh… (related)
Frequently asked questions
- What is CVE-2026-12815?
- CVE-2026-12815 is a medium-severity vulnerability in Coollabsio Coolify, classified under Command Injection. CVSS score: 6.3/10. Published 2026-06-22.
- How severe is CVE-2026-12815?
- Medium severity. CVSS v3 base score is 6.3 out of 10.