Vulnerability in Hoppscotch
CVE-2026-50160
Hoppscotch is an API development ecosystem. In self-hosted deployments of hoppscotch-backend from version 2026.4.1 and earlier, the unauthenticated POST /v1/onboarding/config endpoint is vulnerable to mass assignment. The global NestJS Val…
Vulnerability class: Mass Assignment
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Hoppscotch — versions <= 2026.4.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-50160?
- CVE-2026-50160 is a critical-severity vulnerability in Hoppscotch, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 10.0/10. Published 2026-07-01.
- How severe is CVE-2026-50160?
- Critical severity. CVSS v3 base score is 10.0 out of 10.