Medium severity6.8NVD Advisory· Published Oct 25, 2026· Updated Oct 25, 2026
CVE-2026-116066
CVE-2026-116066
Description
Firecrawl before 2.11.586 contains a server-side request forgery vulnerability in the Playwright service SSRF proxy that allows attackers to bypass isInternalHost checks via DNS rebinding. Attackers controlling DNS for a scrape target can return a public address during validation and a private address at connect time, retrieving cloud metadata and internal resources through the scrape API.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <2.11.586
Patches
Vulnerability mechanics
References
4- github.com/firecrawl/firecrawl/blob/5c198a7d9376fef21a7f6d74313fc957842744ad/apps/playwright-service-ts/api.tsnvd
- github.com/firecrawl/firecrawl/commit/5e74ff37b41ac650d6bccff170a9be0a6decb946nvd
- github.com/firecrawl/firecrawl/issues/5256nvd
- www.vulncheck.com/advisories/firecrawl-before-2.11.586-ssrf-protection-bypass-via-dns-rebinding-in-playwright-servicenvd
News mentions
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