v0.14.20
lownews
security
Source: LlamaIndex Security ReleasesApril 3, 2026
Summary
LlamaIndex version 0.14.20 includes multiple updates across its callback and core modules, with a primary focus on fixing a vulnerability in NLTK (a natural language processing library that helps AI systems understand and work with human language). The release also updates various dependencies and fixes minor bugs in code formatting and syntax.
Solution / Mitigation
Update to version 0.14.20, which includes the fix for the NLTK vulnerability across all affected modules (llama-index-agent-agentmesh, llama-index-callbacks-agentops, llama-index-callbacks-aim, and others).
Classification
Attack SophisticationTrivial
AI Component TargetedFramework
Affected Vendors
LlamaIndex
Related Issues
Monthly digest — independent AI security research
Original source: https://github.com/run-llama/llama_index/releases/tag/v0.14.20
First tracked: April 3, 2026 at 08:00 PM
Classified by LLM (prompt v3) · confidence: 85%