CVE-2026-34931

UNKNOWN 0.0

hoppscotch: Improper loopback redirect_uri validation in device-login flow

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

12th

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.

CWE	CWE-601
Vendor	hoppscotch
Product	hoppscotch
Published	Apr 2, 2026
Last Updated	Apr 6, 2026

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Affected Versions

hoppscotch / hoppscotch

< 2026.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-7fg7-wx5q-6m3v github.com: https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0