CVE-2026-1811
📋 TL;DR
This CVE describes a path traversal vulnerability in bolo-blog's bolo-solo software that allows attackers to manipulate file paths through the importFromMarkdown function. Attackers can potentially access or overwrite files outside the intended directory. All users running bolo-solo versions up to 2.6.4 are affected.
💻 Affected Systems
- bolo-blog bolo-solo
📦 What is this software?
Bolo Solo by Adlered
⚠️ Risk & Real-World Impact
Worst Case
Remote attacker gains arbitrary file read/write access to the server filesystem, potentially leading to sensitive data exposure, system compromise, or complete server takeover.
Likely Case
Attackers read or overwrite configuration files, user data, or application files, potentially disrupting service or stealing sensitive information.
If Mitigated
With proper file system permissions and input validation, impact is limited to the application's own directory structure.
🎯 Exploit Status
Exploit has been published according to the description, requiring access to the import functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: Yes
Instructions:
No official patch available. Monitor the GitHub repository for updates. Consider migrating to alternative software if no fix is forthcoming.
🔧 Temporary Workarounds
Disable Markdown Import
allDisable or restrict access to the importFromMarkdown functionality to prevent exploitation.
Configure application to disable backup/import features
Remove or restrict access to BackupService endpoints
File System Restrictions
linuxRun application with minimal file system permissions using containerization or restricted user accounts.
Run as non-root user with limited directory access
Use chroot or container isolation
🧯 If You Can't Patch
- Implement strict input validation and sanitization for file path parameters
- Deploy web application firewall (WAF) with path traversal protection rules
🔍 How to Verify
Check if Vulnerable:
Check if running bolo-solo version 2.6.4 or earlier. Review application logs for suspicious import operations.Check Version:
Check application configuration files or build information for version numberVerify Fix Applied:
Test import functionality with malicious path traversal payloads to ensure they are rejected.📡 Detection & Monitoring
Log Indicators:
- Unusual file path patterns in import requests
- Failed import attempts with path traversal sequences
Network Indicators:
- HTTP requests to import endpoints containing '../' sequences
- Unusual file access patterns
SIEM Query:
web_access_logs WHERE url CONTAINS 'import' AND (url CONTAINS '../' OR url CONTAINS '..\\')