CVE-2026-86590 - Eclipse Che Server-Side Request Forgery
Brief
CVE ID : CVE-2026-86590
Published : Sept. 8, 2026, 10:17 a. m.
- 32 minutes ago
Description : In Eclipse Che versions 7.
- 0 through 7.
- 0, the dashboard backend's POST /dashboard/api/data/resolver endpoint passes a caller-supplied URL directly to an outbound HTTP GET request with no host filtering. An authenticated user can exploit this server-side request forgery (SSRF) to read responses from internal network addresses, including the cloud instance metadata service (169.
- 169.
254), loopback interfaces, RFC-1918 private ranges, and in-cluster Kubernetes services. The operator-configured allowlist (spec. devEnvironments. allowedSources. urls) is not consulted. The vulnerability is fixed in version 7.
- 0, which adds private-address blocking, IPv4-mapped IPv6 bypass prevention, operator allowlist enforcement, and disables HTTP redirects on the outbound request.