EUVD-2026-69785
GHSA-xf4v-vq77-2rgv
Severity by source
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/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
Network-reachable with only low-privilege authenticated access; scope changes because injected commands escape the container and execute on the host OS.
Primary rating from Vendor (vulncheck).
CVSS VectorVendor: vulncheck
Lifecycle Timeline
4DescriptionCVE.org
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.
Articles & Coverage 1
AnalysisAI
Authenticated command injection in Coolify before 4.2.0 allows low-privileged platform users to execute arbitrary OS commands on managed server hosts by embedding shell metacharacters into Docker environment variable key names. The flaw bypasses container isolation entirely - injected payloads travel over SSH as part of Coolify-generated Docker commands and execute in the host OS context, not within any container sandbox. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid Coolify account with permission to create or modify environment variables for at least one application - low-privilege platform access (developer or team-member role) is sufficient; administrative rights are not required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.7 accurately characterizes this vulnerability: network-reachable, low complexity, and requiring only low-privilege authenticated access (PR:L), with high confidentiality, integrity, and availability impact on the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Coolify to v4.2.0 or later immediately, available at https://github.com/coollabsio/coolify/releases/tag/v4.2.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Coolify instances, identify versions in use, and immediately restrict low-privileged platform user access to Docker server management capabilities pending remediation. …
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today