CVE-2026-63096 — Dendrite 0.13.8 SSRF via Unauthenticated Legacy Media Download Endpoint
Dendrite through 0.13.8 contains a server-side request forgery vulnerability that allows unauthenticated attackers to cause the server to open outbound TLS connections to arbitr…
Published: 2026-07-17 · CVSS: 6.9 · CVSS 4.0
Dendrite through 0.13.8 contains a server-side request forgery vulnerability that allows unauthenticated attackers to cause the server to open outbound TLS connections to arbitrary hosts and ports by supplying an unvalidated serverName parameter to the legacy media download endpoint. Attackers can exploit distinguishable error response classes and leaked internal IP addresses in error messages to perform blind port scanning and enumerate internal network topology.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7