# CVE-2025-3044: PYSEC-2026-1569 - LlamaIndex vulnerability in ArxivReader class can cause MD5 hash collisions

Source: https://junglewise.ai/threats/cve-2025-3044-llamaindex-vulnerability-in-arxivreader-class-can-cause-md5-hash  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2025-3044 · Severity: low · CVSS 3 · Published 2026-07-07

LlamaIndex vulnerability in ArxivReader class can cause MD5 hash collisions

Technologies: [llama-index (PyPI)](https://junglewise.ai/threats/technologies/llama-index). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2025-3044 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-3044 being exploited in the wild.

**How severe is CVE-2025-3044?** Low severity, with a CVSS score of 3, published 7 July 2026.

**Which products and versions are affected?** llama-index (PyPI) ECOSYSTEM:introduced=0,fixed=0.12.28; llama-index-readers-papers (PyPI) ECOSYSTEM:introduced=0,fixed=0.3.1.

**Is there a fix for CVE-2025-3044?** Yes. llama-index (PyPI): upgrade to 0.12.28 or later; llama-index-readers-papers (PyPI): upgrade to 0.3.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-3044?** Check whether you run llama-index (PyPI) or llama-index-readers-papers (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- llama-index (PyPI): upgrade to 0.12.28 or later

  ```sh
  pip install "llama-index>=0.12.28"
  ```

- llama-index-readers-papers (PyPI): upgrade to 0.3.1 or later

  ```sh
  pip install "llama-index-readers-papers>=0.3.1"
  ```


## Affected products

- llama-index (PyPI) ECOSYSTEM:introduced=0,fixed=0.12.28
- llama-index-readers-papers (PyPI) ECOSYSTEM:introduced=0,fixed=0.3.1

## Identifiers

- CVE-2025-3044
- GHSA-p7j4-jwjf-5x9w
- PYSEC-2025-247
- PYSEC-2026-1569

## Related threats

- [PYSEC-2026-2606 - LlamaIndex vulnerable to data loss through hash collisions in its DocugamiReader class](https://junglewise.ai/threats/cve-2025-6211-llamaindex-vulnerable-to-data-loss-through-hash-collisions-in-its)
- [PYSEC-2026-1558 - LlamaIndex vulnerable to Path Traversal attack through its encode_image function](https://junglewise.ai/threats/cve-2025-6209-llamaindex-path-traversal-in-encode-image-function)
- [PYSEC-2026-1559 - LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing](https://junglewise.ai/threats/cve-2025-5472-llamaindex-vulnerable-to-dos-attack-through-uncontrolled-recursive)
- [PYSEC-2026-1567 - LlamaIndex vulnerability in its ObsidianReader class can lead to Path Traversal exploit](https://junglewise.ai/threats/cve-2025-6210-llamaindex-obsidianreader-path-traversal-via-hardlinks)
- [PYSEC-2026-1568 - LlamaIndex is vulnerable to Path Traversal attack through its ObsidianReader class](https://junglewise.ai/threats/cve-2025-3046-llamaindex-is-vulnerable-to-path-traversal-attack-through-its)