CVE-2026-50160 Details.
Hoppscotch <= 2026.4.1 - Mass Assignment JWT_SECRET Overwrite
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-50160. What It Means.
Hoppscotch self-hosted backend <= 2026.4.1 contains a broken authentication caused by mass assignment via unauthenticated POST /v1/onboarding/config endpoint, letting unauthenticated attackers overwrite JWT_SECRET to forge tokens and fully compromise the server, exploit requires attacker to access fresh instance before onboarding completes or when no users exist.
Affected Product. What Is Hit.
- Vendor
- hoppscotch
- Product
- Hoppscotch
FAQ
Common Questions.
Hoppscotch <= 2026.4.1 - Mass Assignment JWT_SECRET Overwrite. Hoppscotch self-hosted backend <= 2026.4.1 contains a broken authentication caused by mass assignment via unauthenticated POST /v1/onboarding/config endpoint, letting unauthenticated attackers overwrite JWT_SECRET to forge tokens and fully compromise the server, exploit requires attacker to access fresh instance before onboarding completes or when no users exist.
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-50160 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-50160 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Hoppscotch to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-50160. Atlas does not run a check for it, so nothing here says whether a particular site is affected.