Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92804Nango through 0.70.4 Server-Side Request Forgery via Configuration
High 7.1
In plain English
A high-severity server-side request forgery in Nango from NangoHQ. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.4%top 69.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
References
- GitHub Security Advisory (GHSA-hgjm-c252-ccxx) third-party-advisory, vendor-advisory
- getConnectionConfig accepts any string value technical-description
- https://github.com/NangoHQ/nango product
- VulnCheck Advisory: Nango through 0.70.4 Server-Side Request Forgery via Configuration third-party-advisory