PraisonAI spider_tools SSRF protection bypass via alternate loopback host encodings
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| MervinPraison | PraisonAI | affected |
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| MervinPraison | praisonaiagents | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mervinpraison | Praisonai |
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| Mervinpraison | Praisonaiagents |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-5c6w-wwfq-7qqm | PraisonAI spider_tools SSRF protection bypass via alternate loopback host encodings |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.175% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mervinpraison
Mervinpraison praisonai Mervinpraison praisonaiagents |
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| Vendors & Products |
Mervinpraison
Mervinpraison praisonai Mervinpraison praisonaiagents |
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| Description | PraisonAI is a multi-agent teams system. Prior to version 4.6.40 of PraisonAI, corresponding to version 1.6.40 of praisonaiagents, `spider_tools` URL validation can be bypassed using alternate loopback host encodings. The tool contains a URL validation function intended to block local or unsafe targets before fetching attacker-controlled URLs. However, the validation only blocks a small set of exact host strings such as `localhost` and `127.0.0.1`. It does not normalize hostnames, resolve DNS, parse numeric IPv4 variants, or validate the final resolved IP address before making the request. As a result, certain URLs may bypass the protection and still reach loopback services. After the weak validation passes, `scrape_page()` calls `requests.Session.get()` on the attacker-controlled URL. This allows an attacker who can influence URLs passed to `scrape_page`, `crawl`, or `extract_text` to induce SSRF requests against loopback-only services. This is a server-side request forgery protection bypass. PraisonAI version 4.6.40 and praisonaiagents version 1.6.40 contain a patch. | |
| Title | PraisonAI spider_tools SSRF protection bypass via alternate loopback host encodings | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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