CVE-2026-92804

Description

Nango through 0.70.4 fails to validate caller-supplied connection configuration values interpolated into provider token and proxy URL templates. Authenticated attackers can supply malicious configuration values to direct server requests at internal addresses or cloud metadata endpoints, potentially exfiltrating provider credentials.

References

• https://github.com/NangoHQ/nango
• https://github.com/NangoHQ/nango/blob/v0.70.4/packages/shared/lib/utils/utils.ts
• https://github.com/NangoHQ/nango/security/advisories/GHSA-hgjm-c252-ccxx
• https://www.vulncheck.com/advisories/nango-through-0.70.4-server-side-request-forgery-via-configuration