PT-2026-29887 · Unknown · Hoppscotch

Neo-Ai-Engineer + 1 · CVE-2026-34847 · Published 2026-04-02 · Updated 2026-04-03

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions hoppscotch versions prior to 2026.3.0

Description hoppscotch, an open source API development ecosystem, contains a DOM-based open redirect issue in the '/enter' page. The redirect query parameter is used to construct a URL and redirect the user without validation.

Recommendations Update to version 2026.3.0 or later.

Exploit

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2026-34847

GHSA-27PM-C9CH-746Q

Affected Products

Hoppscotch

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34847.json · Exploit
• https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-27pm-c9ch-746q · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-34847 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-34847 · Security Note
• https://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0 · Note
• https://twitter.com/CVEnew/status/2040128766727340377 · Twitter Post