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CVE-2026-34034— Coolify: Host RCE via Sentinel token injection

Quick assessment

Affected
coollabsio coolify
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

coolLabs Coolify是coolLabs团队开源的一个开源和自托管的 Heroku/Netlify/Vercel 替代品。 coolLabs Coolify 4.0.0-beta.466之前版本存在命令注入漏洞，该漏洞源于sentinel_token设置用于shell命令时未进行充分验证，可能导致具有服务器Sentinel设置访问权限的已认证用户在Sentinel重启时注入shell语法并在主机上执行命令。

CVSS 8.8 · High EPSS 0.78% · P54

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
coollabsio coolify < 4.0.0-beta.466 affected
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I. Basic Information for CVE-2026-34034

Vulnerability Information
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Vulnerability Title
Coolify: Host RCE via Sentinel token injection
Source: CVE Program / CVE List V5
Vulnerability Description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.466, the sentinel_token setting is used in shell commands without sufficient validation, allowing an authenticated user with access to server Sentinel settings to inject shell syntax and execute commands on the host when Sentinel is restarted. This issue is fixed in version 4.0.0-beta.466.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
coolLabs Coolify 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
coolLabs Coolify是coolLabs团队开源的一个开源和自托管的 Heroku/Netlify/Vercel 替代品。 coolLabs Coolify 4.0.0-beta.466之前版本存在命令注入漏洞，该漏洞源于sentinel_token设置用于shell命令时未进行充分验证，可能导致具有服务器Sentinel设置访问权限的已认证用户在Sentinel重启时注入shell语法并在主机上执行命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
coollabsio coolify < 4.0.0-beta.466 -

II. Public POCs for CVE-2026-34034

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7239 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-34034

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Patches & Fixes for CVE-2026-34034 (1)

Vendor Advisories for CVE-2026-34034 (1)

Vendor Pages for CVE-2026-34034 (1)

Same Patch Batch · coollabsio · 2026-07-07 · 21 CVEs total

CVE-2026-34047 9.9 CRITICAL Coolify: WebSocket Endpoint Access Control Flaw Leading to Remote Code Execution
CVE-2026-34037 9.9 CRITICAL Cross-Tenant Resource Cloning via Broken Object-Level Authorization in cloneTo()
CVE-2026-34048 9.9 CRITICAL Coolify: Missing authorization on terminal websocket bootstrap routes allows low-privilege
CVE-2026-42200 8.8 HIGH Coolify: PostgreSQL Init Script Path Traversal Leads to Arbitrary File Write and Root RCE
CVE-2026-34158 8.8 HIGH Coolify: Command injection via single-quote breakout in Docker Compose custom commands
CVE-2026-34168 8.8 HIGH Coolify: Command injection via unsanitized persistent storage name in docker volume comman
CVE-2026-34058 8.8 HIGH Coolify: OS Command Injection via Unmanaged Container Operations - Remote Code Execution
CVE-2026-34152 8.8 HIGH Coolify: Command Injection via Newline in Pre/Post Deployment Commands (Heredoc Transport)
CVE-2026-34035 8.8 HIGH Coolify: Host RCE via Log Drain secret/env command injection
CVE-2026-34057 8.8 HIGH Coolify: Authenticated Remote Code Execution via Command Injection in Database Import Cont
CVE-2026-42143 8.8 HIGH Coolify: OS Command Injection via Persistent Volume Names - Root RCE on Managed Servers
CVE-2026-34171 8.0 HIGH Coolify: Account takeover via CSRF-able GET endpoint that resets password to attacker-know
CVE-2026-34044 7.7 HIGH Coolify: Cross-team IDOR in logs component (resource lookup not team-scoped)
CVE-2026-34198 5.3 MEDIUM Coolify: Password reset link poisoning via X-Forwarded-Host header spoofing
CVE-2026-42147 4.9 MEDIUM Coolify: SSRF via S3 Storage Endpoint in testConnection()
CVE-2026-34170 4.3 MEDIUM Coolify: Server-Side Request Forgery via attacker-controlled GitHub App API URL
CVE-2026-34149 3.3 LOW Coolify: Authenticated Host-Level RCE via Unescaped Database Credentials in Backup Jobs
CVE-2026-42201 3.3 LOW Coolify: OS Command Injection via Database Credential Fields in Docker Compose Service Com
CVE-2026-42145 3.1 LOW Coolify: File Upload Without Type or Size Validation in Database Backup Restore
CVE-2026-42172 3.1 LOW Coolify: Sanctum API Tokens Have No Expiration — Leaked Tokens Grant Permanent Access

IV. Related Vulnerabilities

Same product: coolify
Same vendor: coollabsio
Same weakness: CWE-78

V. Comments for CVE-2026-34034

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