CVE-2026-1171
📋 TL;DR
This vulnerability in birkir prime's GraphQL Field Handler allows remote attackers to cause denial of service through manipulation of the /graphql endpoint. Systems running birkir prime up to version 0.4.0.beta.0 are affected. The exploit has been published and may be actively used against vulnerable installations.
💻 Affected Systems
- birkir prime
⚠️ Risk & Real-World Impact
Worst Case
Complete service unavailability requiring system restart or recovery procedures
Likely Case
Temporary service disruption affecting GraphQL functionality
If Mitigated
Minimal impact with proper rate limiting and request validation
🎯 Exploit Status
Exploit details published in GitHub issue #542, remote attack vector confirmed
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Monitor GitHub repository for updates: https://github.com/birkir/prime
🔧 Temporary Workarounds
Implement GraphQL Query Depth Limiting
allLimit maximum query depth to prevent complex queries that could trigger the DoS
# Implementation depends on your GraphQL server setup
Add Rate Limiting to /graphql Endpoint
allImplement request rate limiting to prevent abuse
# Use web server or application-level rate limiting
🧯 If You Can't Patch
- Restrict network access to GraphQL endpoint using firewall rules
- Implement Web Application Firewall (WAF) with GraphQL attack detection rules
🔍 How to Verify
Check if Vulnerable:
Check if running birkir prime version <= 0.4.0.beta.0 and GraphQL endpoint is accessibleCheck Version:
Check package.json or application configuration for versionVerify Fix Applied:
Verify version is > 0.4.0.beta.0 when patch becomes available📡 Detection & Monitoring
Log Indicators:
- Unusually large GraphQL queries
- Multiple failed GraphQL requests from single source
- High CPU/memory usage spikes
Network Indicators:
- High volume of requests to /graphql endpoint
- Abnormal GraphQL query patterns
SIEM Query:
source="web_logs" AND uri_path="/graphql" AND (request_size>10000 OR status_code=500)