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fix[SSRF]: Arbitrary File Read Vulnerability #5541

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fix[SSRF]: Arbitrary File Read Vulnerability #5541

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19 changes: 19 additions & 0 deletions libs/langchain-community/src/document_loaders/web/playwright.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,25 @@ export class PlaywrightWebBaseLoader
url: string,
options?: PlaywrightWebBaseLoaderOptions
): Promise<string> {
// fix: SSRF
// https://huntr.com/bounties/23f45984-7336-48d8-a373-75b39bcd6367
const isValidHttpUrl = (inputUrl: string): boolean => {
try {
const parsedUrl = new URL(inputUrl);
return (
parsedUrl.protocol === "http:" || parsedUrl.protocol === "https:"
);
} catch {
return false;
}
};

if (!isValidHttpUrl(url)) {
throw new Error(
"Invalid URL: Only HTTP and HTTPS protocols are allowed."
);
}

const { chromium } = await PlaywrightWebBaseLoader.imports();

const browser = await chromium.launch({
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