CVE-2026-92804: Nango through 0.70.4 Server-Side Request Forgery via Configuration

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-16 · updated 2026-09-22
Weakness: CWE-918

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.

Affected products

NangoHQ nango: through 0.70.4

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
https://github.com/NangoHQ/nango/security/advisories/GHSA-hgjm-c252-ccxx

Get alerted when CVE-2026-92804 or the next vulnerability affects your stack