CVE-2026-62241: Clawvet API Hardcoded Secret Exploitation — Detection and Remediation

---
title: Clawvet Sensitive API Endpoint Access
id: 8a4f2b31-1c9d-4a6e-9b1c-3d5e8f9a0b1c
status: experimental
description: Detects access to the sensitive /api/v1/auth/me endpoint which returns user PII and API keys. High frequency of access or access from unexpected IPs may indicate exploitation of CVE-2026-62241.
references:
 - https://nvd.nist.gov/vuln/detail/CVE-2026-62241
author: Security Arsenal
date: 2026/04/06
tags:
 - attack.initial_access
 - attack.t1552.001 (Unsecured Credentials)
logsource:
 category: webserver
product: nginx
detection:
  selection:
    cs_uri_query|contains: '/api/v1/auth/me'
    cs_method: 'GET'
  condition: selection
falsepositives:
  - Legitimate user activity on the self-hosted Clawvet dashboard
level: medium
---
title: Potential Clawvet Hardcoded Secret in Logs
id: 9b5g3c42-2d0e-5b7f-0c2d-4e6f0a1b2c3d
status: experimental
description: Detects potential logs or errors containing the hardcoded fallback secret 'clawvet-dev-secret-change-me', indicating a misconfiguration vulnerable to CVE-2026-62241.
references:
 - https://nvd.nist.gov/vuln/detail/CVE-2026-62241
author: Security Arsenal
date: 2026/04/06
tags:
 - attack.credential_access
logsource:
 category: application
product: nodejs
detection:
  selection:
    message|contains: 'clawvet-dev-secret-change-me'
  condition: selection
falsepositives:
  - Developer debugging output (Should not be present in production)
level: high

// Hunt for suspicious access sequences to Clawvet API
// Looks for harvesting of scans followed by immediate access to user profile info
let Scans = Syslog
| where ProcessName contains "node" or ProcessName contains "clawvet"
| where Message has_all ("GET", "/api/v1/scans")
| project TimeGenerated, SourceIP, Computer, UserAgent = extract(@"User-Agent:\s*([^"]+)", 1, Message)
| distinct SourceIP, UserAgent;
let AuthMe = Syslog
| where ProcessName contains "node" or ProcessName contains "clawvet"
| where Message has_all ("GET", "/api/v1/auth/me")
| project TimeGenerated, SourceIP, Computer, ResponseCode = extract(@"\s(200|401|403)\s", 1, Message);
AuthMe
| join kind=inner (Scans) on SourceIP
| project TimeGenerated, SourceIP, Computer, ResponseCode
| order by TimeGenerated desc

-- Hunt for the presence of the hardcoded secret in TypeScript configuration files
SELECT FullPath, Size, Mtime
FROM glob(globs='/**/*.ts', root='/')
WHERE read_file(filename=FullPath) =~ 'clawvet-dev-secret-change-me'
-- Note: Adjust root path to specific deployment directories to reduce scan time

#!/bin/bash

# Remediation Script for CVE-2026-62241
# Checks for vulnerable Clawvet versions and hardcoded secrets

echo "[*] Scanning for CVE-2026-62241 vulnerability (Clawvet API)"

# 1. Check for vulnerable package versions
if [ -f "package." ]; then
    INSTALLED_VERSION=$(grep '"clawvet"' package. | awk -F '"' '{print $4}')
    # Note: Actual check requires parsing node_modules or 'npm list'.
    # This is a heuristic check for reference in package..
    if [ ! -z "$INSTALLED_VERSION" ]; then
        echo "[!] Clawvet dependency found: $INSTALLED_VERSION"
        # npm list clawvet to get actual installed version
        ACTUAL=$(npm list clawvet 2>/dev/null | grep clawvet | awk '{print $2}' | tr -d '@')
        echo "[+] Installed version in node_modules: $ACTUAL"
        # Compare versions (requires sort -V or similar logic, simplified here)
        if [ "$ACTUAL" \< "0.7.5" ]; then
             echo "[!!!] VULNERABLE VERSION DETECTED. Upgrade to 0.7.5 or higher immediately."
        fi
    fi
fi

# 2. Check for hardcoded secrets in .env or source code
echo "[*] Scanning for hardcoded secret in config files..."
SECRET_PATTERN="clawvet-dev-secret-change-me"

if grep -r -l "$SECRET_PATTERN" . --include=".env" --include=".env.*" --include="auth.ts" 2>/dev/null; then
    echo "[!!!] CRITICAL: Hardcoded secret found in configuration or source files."
    echo "[+] Remediation:"
    echo "    1. Change JWT_SECRET in .env to a strong, random value immediately."
    echo "    2. Restart the API server."
    echo "    3. Rotate all user API keys as they may have been compromised."
else
    echo "[+] No hardcoded secret found in standard locations."
fi

echo "[*] Scan complete."

    npm update clawvet