What is CVE-2026-44478?

CVE-2026-44478 is a high-severity vulnerability in Hoppscotch, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-05-13.

How severe is CVE-2026-44478?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Hoppscotch

CVE-2026-44478

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…

EPSS: 0.001 (18.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Hoppscotch — versions >= 2025.7.0, < 2026.4.0

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44478?: CVE-2026-44478 is a high-severity vulnerability in Hoppscotch, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-05-13.
How severe is CVE-2026-44478?: High severity. CVSS v3 base score is 7.5 out of 10.