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CVE-2026-45406— Dokku: Host RCE via Maliciously Named OpenResty Include Files Injected Through eval

Quick assessment

Affected
dokku dokku
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.

Dokku Dokku是Dokku团队的一个云平台部署工具。 Dokku 0.38.2之前版本存在代码注入漏洞，该漏洞源于openresty-vhosts plugin在处理文件名时未进行转义，导致单引号破坏引号结构并允许命令替换，从而可在下次部署时以dokku用户身份执行任意命令。

CVSS 9.0 · Critical EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
dokku dokku < 0.38.2 affected
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I. Basic Information for CVE-2026-45406

Vulnerability Information
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Vulnerability Title
Dokku: Host RCE via Maliciously Named OpenResty Include Files Injected Through eval
Source: CVE Program / CVE List V5
Vulnerability Description
Dokku is a docker-powered PaaS. Prior to 0.38.2, the openresty-vhosts plugin copies files from an app's openresty/http-includes/ git repository directory to the host and then interpolates their filenames, unescaped, into a single-quoted shell string that is later parsed by eval. A filename containing a single quote breaks the quoting and allows command substitution to execute arbitrary commands on the host as the dokku user during the app's next deploy. This vulnerability is fixed in 0.38.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
动态执行代码中指令转义处理不恰当(Eval注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Dokku 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dokku Dokku是Dokku团队的一个云平台部署工具。 Dokku 0.38.2之前版本存在代码注入漏洞，该漏洞源于openresty-vhosts plugin在处理文件名时未进行转义，导致单引号破坏引号结构并允许命令替换，从而可在下次部署时以dokku用户身份执行任意命令。
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
dokku dokku < 0.38.2 -

II. Public POCs for CVE-2026-45406

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8532 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
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III. Intelligence Information for CVE-2026-45406

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Patches & Fixes for CVE-2026-45406 (1)

Vendor Advisories for CVE-2026-45406 (1)

Same Patch Batch · dokku · 2026-06-26 · 5 CVEs total

CVE-2026-45408 9.0 CRITICAL Dokku: OS Command Injection via App Name in Git Pre-Receive Hook
CVE-2026-45405 9.0 CRITICAL Dokku: Arbitrary File Write via Tar Symlink Traversal in git:from-archive and certs:add
CVE-2026-54636 9.0 CRITICAL Dokku: OS Command Injection via app.json managed Cron
CVE-2026-45407 5.0 MEDIUM Dokku: Git Credentials in .netrc Stored World-Readable Due to Premature touch

IV. Related Vulnerabilities

Same product: dokku
Same vendor: dokku
Same weakness: CWE-95

V. Comments for CVE-2026-45406

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