CVE-2026-92804 json
Nango through 0.70.4 Server-Side Request Forgery via Configuration
published 2026-09-16 53 d ago modified 2026-09-22 47 d ago also EUVD-2026-81064
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 48 d ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/NangoHQ/nango/security/advisories/GHSA-hgjm-c252-ccxx referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- NangoHQ Nango
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/NangoHQ/nango/security/advisories/GHSA-hgjm-c252-ccxx
third-party-advisory, vendor-advisory, exploit
-
github.com
/NangoHQ/nango/blob/v0.70.4/packages/shared/lib/utils/utils.ts
technical-description
-
github.com
/NangoHQ/nango
product
-
vulncheck.com
/advisories/nango-through-0.70.4-server-side-request-forgery-via-configuration
third-party-advisory
Sources
- CVE List CVE-2026-92804
- NVD CVE-2026-92804
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