CVE-2026-84694
CVE-2026-84694 — Coolify before 4.2.0 Remote Code Execution via Environment Variable Key
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.
Published Updated Sources: cvelistV5, VulnCheck
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
0%
chance of exploitation in 30 days
CVSS base
8.8
HIGH
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Total
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 8.8 | CVSS 3.1 | HIGH | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-78
References
6 on the record
- github.com/coollabsio/coolify
product
- github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995da
patch
- github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.php
technical-description
- github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.php
technical-description
- github.com/coollabsio/coolify/releases/tag/v4.2.0
release-notes
- www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key
third-party-advisory
Elsewhere on this site
- coollabsioevery CVE for this vendor
- CWE-78other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.