CVE-2026-34931

PoC —

CVSS 4.0

8.5 high

EPSS

<1%p31

Published

Apr 2, 2026 (Apr 2, 2026)

Modified

Jul 24, 2026

Description

hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is an open redirect vulnerability that leads to token exfiltration. With these tokens, the attacker can sign in as the victim to takeover their account. This issue has been patched in version 2026.3.0.

Vendors: hoppscotch
Products: hoppscotch
Weakness: CWE-601
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/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

NVD CVE.org GitHub PoCs EPSS (0.4%)

In the news0 stories

No ingested article mentions this CVE yet.