PYSEC-2026-1561 LlamaIndex affected by a Denial of Service (DOS) in JSONReader

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

LlamaIndex affected by a Denial of Service (DOS) in JSONReader

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

CVE-2025-5302

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

CVE-2025-5302 Denial of Service (DOS) in JSONReader in run-llama/llama_index

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

CVE-2025-5302

The CVE-2025-5302 affects the JSONReader in run-llama/llama_index v0.12.37, where unconstrained recursion on deeply nested JSON can exhaust Python recursion depth, causing high CPU/memory use and potential DoS. The issue is resolved in v0.12.38. Remediation: upgrade llama_index to 0.12.38 or late...

PT-2025-34665

Name of the Vulnerable Software and Affected Versions: run-llama/llama index versions prior to 0.12.38 Description: A denial of service issue exists in the JSONReader component. The issue is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting i...

GHSA-3WXX-Q3GV-PVVV LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing

The JSONReader in run-llama/llamaindex versions 0.12.28 is vulnerable to a stack overflow due to uncontrolled recursive JSON parsing. This vulnerability allows attackers to trigger a Denial of Service DoS by submitting deeply nested JSON structures, leading to a RecursionError and crashing...

Uncontrolled Recursion

Overview llama-index-core is an Interface between LLMs and your data Affected versions of this package are vulnerable to Uncontrolled Recursion via the JSONReader process. An attacker can cause the application to crash by submitting deeply nested JSON structures, resulting in a stack overflow and...

CVE-2025-5472

The JSONReader in run-llama/llamaindex versions 0.12.28 is vulnerable to a stack overflow due to uncontrolled recursive JSON parsing. This vulnerability allows attackers to trigger a Denial of Service DoS by submitting deeply nested JSON structures, leading to a RecursionError and crashing...

PYSEC-2025-251

The JSONReader in run-llama/llamaindex versions 0.12.28 is vulnerable to a stack overflow due to uncontrolled recursive JSON parsing. This vulnerability allows attackers to trigger a Denial of Service DoS by submitting deeply nested JSON structures, leading to a RecursionError and crashing...

CVE-2025-5472 Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index

The JSONReader in run-llama/llamaindex versions 0.12.28 is vulnerable to a stack overflow due to uncontrolled recursive JSON parsing. This vulnerability allows attackers to trigger a Denial of Service DoS by submitting deeply nested JSON structures, leading to a RecursionError and crashing...