CVE-2026-88411

7.5

FalkorDB · FalkorDB (Redis module)

Improper error handling in the GRAPH.EFFECT component of FalkorDB v4.20.1 allows unauthenticated attackers to trigger a Denial of Service.

Executive summary

A critical vulnerability in the FalkorDB Redis module allows unauthenticated remote attackers to crash the application, resulting in a Denial of Service.

Vulnerability

The vulnerability resides in the GRAPH.EFFECT component, specifically within the effects_apply.c source file. An unauthenticated attacker can trigger a crash by sending specifically crafted input that the component fails to handle correctly.

Business impact

The successful exploitation of this vulnerability results in a Denial of Service, which renders the database module unresponsive to legitimate requests. Given the CVSS score of 7.5, this high severity flaw poses a significant risk to service availability and operational continuity for any business relying on FalkorDB for real time data processing.

Remediation

Immediate Action: Review the official FalkorDB repository for the fix provided in commit 17cb1f8f0 and apply necessary updates as soon as they are released in a stable build.

Proactive Monitoring: Monitor Redis application logs and system resource usage for unexpected process terminations or frequent service restarts that may indicate exploitation attempts.

Compensating Controls: Implement network access controls to restrict access to the Redis instance to authorized IP addresses only, reducing the attack surface for unauthenticated requests.

Exploitation status

Public Exploit Available: Unknown.

Analyst recommendation

This vulnerability presents a high risk due to the ease of reachability and the potential for service disruption. Administrators should prioritize monitoring the FalkorDB project for official release notes and patch availability, as the technical fix has been identified in the source code repository. Ensure that all database instances are protected by robust network-level security until a patch is applied.

More FalkorDB CVEs

History

  1. Disclosed CVE record published
  2. Collected by CVE Brief via github
  3. Analyst report written
  4. Published in the daily brief high section

Sources