CVE-2026-84694CWE-78command-injection

CVE-2026-84694

High · published September 2, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
57.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00845 · 57.6th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-02T05:17Z
References (6)
https://github.com/coollabsio/coolify · [email protected]https://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.php · [email protected]https://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.php · [email protected]https://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995da · [email protected]https://github.com/coollabsio/coolify/releases/tag/v4.2.0 · [email protected]https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key · [email protected]
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 02 SEP 00:37Z
    Coolify before 4.2.0 Remote Code Execution via Environment Variable Key
    cvelistv5