CVE-2026-34847 Details.
Hoppscotch <= 2026.2.1 - Open Redirect
Atlas does not check this one. Needs an outside server.
To test for this one, the site would have to contact a server outside your network and report back. Atlas does not run checks that need that, so it does not run this one.
About CVE-2026-34847. What It Means.
Hoppscotch <= 2026.2.1 is vulnerable to a DOM-based open redirect on the /enter page. The redirect query parameter is passed directly to windowz location.href with no origin validation. Requires one additional query parameter to trigger. Exploited via a crafted URL such as /enter?redirect=evil.com&foo=bar.
Affected Product. What Is Hit.
- Vendor
- hoppscotch
- Product
- Hoppscotch
FAQ
Common Questions.
Hoppscotch <= 2026.2.1 - Open Redirect. Hoppscotch <= 2026.2.1 is vulnerable to a DOM-based open redirect on the /enter page. The redirect query parameter is passed directly to windowz location.href with no origin validation. Requires one additional query parameter to trigger. Exploited via a crafted URL such as /enter?redirect=evil.com&foo=bar.
No. To test for this one, the site would have to contact a server outside your network and report back. Atlas does not run checks that need that, so it does not run this one. The facts about CVE-2026-34847 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-34847 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Hoppscotch to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-34847. Atlas does not run a check for it, so nothing here says whether a particular site is affected.