Prompt injection makes LlamaIndex features unsafe
Security2 posts from 2 people2d active+11 post in the last 7 days, 0 the 7 days before (steady)Unverified
Posts per day
The posts behind it
2, newest first| Post | Date | |
|---|---|---|
| docs: add promptfirewall callback integration to integrations listing## Description Request to add [promptfirewall](https://github.com/TimurRakhmatullin86/promptfirewall) to the callbacks integration listing. `llama-index-callbacks-promptfirewall` is an independently published PyPI package that provides PII detection and prompt injection blocking...run-llama/llama_indexTimurRakhmatullin86 | run-llama/llama_indexTimurRakhmatullin86 | Sep 286 days ago |
| [Feature Request]: [Security Hardening] Preventing Indirect Prompt Injections via CSS Render-Layer Obfuscation in Web Readers (CWE-1427)### Feature Description We propose adding an optional visual/geometric pre-filter to LlamaIndex web readers (such as `SimpleWebPageReader` and BeautifulSoup-based HTML readers) to sanitize visually suppressed DOM elements before text is packaged into `Document` nodes....run-llama/llama_indexparastejpal987-cmyk | run-llama/llama_indexparastejpal987-cmyk1 replies | Sep 133 weeks ago |
Companies and products named
| Company or product | Posts naming it |
|---|---|
| 2 | |
| 2 | |
 AWS | 1 |
| 1 | |
| 1 |
About this problem
Evidence
2 posts from 2 people in 1 place, about 1 a week over 16 days. Mostly on run-llama/llama_index. Tools named alongside: GitHub, AWS, PyPI, Presidio.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "prompt-injection" rule about LlamaIndex. First post Sep 13, 2026, latest Sep 28, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
Other LlamaIndex problems
- LlamaIndex users keep filing bugs (11)
- LlamaIndex upgrades break working setups (7)
- LlamaIndex fails to return valid structured output (2)
- Experiments on LlamaIndex are hard to reproduce and track (2)
- LlamaIndex integrations break or are missing (2)
- RAG on LlamaIndex returns irrelevant or missing context (2)
History
- 2026-10-04 Added: Prompt injection makes LlamaIndex features unsafe (2 posts)