Vulnerability · Published May 13, 2026 · Assigned by GitHub_M

CVE-2026-44478hoppscotch: Unauthenticated Onboarding Config Disclosure via Empty Recovery Token

High 7.5

In plain English

A high-severity improper access control in hoppscotch from hoppscotch. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 84.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config still leaks all infrastructure secrets in plaintext to unauthenticated users when the ONBOARDING_RECOVERY_TOKEN stored in the database is an empty string. This vulnerability is fixed in 2026.4.0.

Affected products (as reported)

VendorProductVersions
hoppscotch hoppscotch >= 2025.7.0, < 2026.4.0

Weakness: CWE-284, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References