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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-34931

hoppscotch: Improper loopback redirect_uri validation in device-login flow

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

hoppscotch hoppscotch

  • < 2026.3.0affected

References