CVE-2026-34931 — hoppscotch: Improper loopback redirect_uri validation in device-login flow
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, t…
Published: 2026-04-02 · CVSS: 8.5 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7