CVE-2026-34847 | BDVDB-2026-324503 Detail

hoppscotchhoppscotch

Description#

hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, the /enter page contains a DOM-based open redirect vulnerability. The redirect query parameter is directly used to construct a URL and redirect the user without proper validation. This issue has been patched in version 2026.3.0.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

References#

Exploit#

No public exploit known

History#

Version 12026-04-02Record published in the CVE List.
Version 22026-04-03Most recent update recorded in the CVE List.

Published

Published: 2026-04-02
Last modified: 2026-04-03

Vendor information

Vendor: hoppscotch
Product: hoppscotch

All hoppscotch vulnerabilities

Score

4.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 34.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2026.3.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.7 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Changed
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).