CVE-2026-84694
published 2026-09-02CVE-2026-84694: Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers. Authenticated attackers…
PriorityP258high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.45%
38.7th percentile
Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers. Authenticated attackers can inject shell metacharacters into environment variable keys to execute arbitrary commands on the server host outside containers.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| coollabsio | coolify | < 4.2.0 | 4.2.0 |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
Coollabs Coolify up to 4.1.x os command injection
vuldb·2026-09-02·CVSS 8.8
CVE-2026-84694 [HIGH] Coollabs Coolify up to 4.1.x os command injection
A vulnerability was found in Coollabs Coolify up to 4.1.x. It has been rated as critical. Impacted is an unknown function. The manipulation leads to os command injection.
This vulnerability is referenced as CVE-2026-84694. Remote exploitation of the attack is possible. No exploit is available.
Upgrading the affected component is advised.
GHSA
Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers.
ghsa_unreviewed·2026-09-02
CVE-2026-84694 [HIGH] CWE-78 Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers.
Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers. Authenticated attackers can inject shell metacharacters into environment variable keys to execute arbitrary commands on the server host outside containers.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/coollabsio/coolifyhttps://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.phphttps://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.phphttps://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995dahttps://github.com/coollabsio/coolify/releases/tag/v4.2.0https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key
2026-09-02
Published