Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| unclecode | crawl4ai | affected |
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| Vendor | Product | Versions | ||||||||
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| Unclecode | Crawl4ai |
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| Source | ID | Title |
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Github GHSA |
GHSA-qxjp-w3pj-48m7 | Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 2.4% (2.430% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Unclecode
Unclecode crawl4ai |
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| Vendors & Products |
Unclecode
Unclecode crawl4ai |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Description | Crawl4AI is an open-source LLM friendly web crawler & scraper. Prior to 0.8.7, the _safe_eval_expression() function in the computed fields feature uses an AST validator that only blocks attributes starting with underscore. Python generator and frame object attributes (gi_frame, f_back, f_builtins) do NOT start with underscore, enabling a complete sandbox escape to achieve arbitrary code execution. The attack requires no authentication (JWT disabled by default) and is triggered via POST /crawl with a crafted extraction schema. This vulnerability is fixed in 0.8.7. | |
| Title | Crawl4AI: AST Sandbox Escape via gi_frame.f_back Chain - Pre-Auth RCE in Docker API | |
| Weaknesses | CWE-913 CWE-94 |
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| References |
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| Metrics |
cvssV3_1
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