Firecrawl before 2.11.586 SSRF Protection Bypass via DNS Rebinding in Playwright Service
Exact source revision recorded 25 Oct 2026 13:17:04 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-116066
PublishedFirecrawl 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.
- Source published
- 25 Oct 2026 11:50:55 UTC
- Source modified
- 25 Oct 2026 11:50:55 UTC
- Observed here
- 25 Oct 2026 13:17:04 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS 4.0 · 7.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:L
CVSS 3.1 · 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N