CVE-2026-88408

6.5 MEDIUMpublic exploit available

Published 2026-09-21 · Updated 2026-09-22

AI risk analysis

Summary: The flaw in FalkorDB (Redis module) allows attackers to cause a Denial of Service via a stack overflow from a crafted input, impacting system availability.
Exploitability: Exploitation requires crafting specific input and access to the affected version; moderate effort needed.
Blast radius: If exploited, this could lead to service disruption for systems relying on FalkorDB v4.20.1 to v4.20.4.
Prioritized remediation: Update FalkorDB to a non-affected version immediately.

dosredisstack-overflow

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _GetGroup() function (/ops/op_aggregate.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-121

Public exploit & PoC references

https://github.com/FalkorDB/FalkorDB/issues/2373

References

https://github.com/FalkorDB/FalkorDB/issues/2373

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.