CVE-2026-63306 — stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolutio…
Published: 2026-07-16 · CVSS: 9.2 · CVSS 4.0
stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolution filtering or private IP range validation. Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7