CVE-2026-34847— hoppscotch: Open redirect via `/enter?redirect=`
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I. Basic Information for CVE-2026-34847
Vulnerability Information
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Vulnerability Title
hoppscotch: Open redirect via `/enter?redirect=`
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hoppscotch 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hoppscotch是Hoppscotch开源的一个Api开发生态系统。 hoppscotch 2026.3.0之前版本存在输入验证错误漏洞，该漏洞源于/enter页面中的redirect查询参数未经适当验证直接用于构建URL，可能导致DOM型开放重定向。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| hoppscotch | hoppscotch | < 2026.3.0 | - |
II. Public POCs for CVE-2026-34847
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | 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. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-34847.yaml | POC Details |
| 2 | Appsmith <= v1.97 instance management API endpoints are accessible without authentication, allowing an attacker to obtain sensitive information such as license plan, instance ID, authentication providers, feature flags, and configuration metadata via unauthenticated requests to specific API endpoints. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/appsmith/appsmith-info-disclosure.yaml | POC Details |
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- Release 2026.3.0 · hoppscotch/hoppscotch · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-34847
Same Patch Batch · hoppscotch · 2026-04-02 · 4 CVEs total
| CVE-2026-34848 | 5.4 MEDIUM | hoppscotch: Stored XSS in team member overflow tooltip via display name |
| CVE-2026-34931 | hoppscotch: Improper loopback redirect_uri validation in device-login flow | |
| CVE-2026-34932 | hoppscotch: Stored XSS via mock server responses on backend origin |
IV. Related Vulnerabilities
Same product: hoppscotch
- CVE-2026-34931
hoppscotch: Improper loopback redirect_uri validation in dev - CVE-2026-34848
hoppscotch: Stored XSS in team member overflow tooltip via d - CVE-2026-34932
hoppscotch: Stored XSS via mock server responses on backend - CVE-2026-30825
hoppscotch: IDOR - Any authenticated user can revoke any oth - CVE-2026-28217
IDOR in GraphQL userCollection Query Exposes Other Users' Pr
Same vendor: hoppscotch
- CVE-2026-34931
hoppscotch: Improper loopback redirect_uri validation in dev - CVE-2026-34848
hoppscotch: Stored XSS in team member overflow tooltip via d - CVE-2026-34932
hoppscotch: Stored XSS via mock server responses on backend - CVE-2026-30825
hoppscotch: IDOR - Any authenticated user can revoke any oth - CVE-2026-28217
IDOR in GraphQL userCollection Query Exposes Other Users' Pr
Same weakness: CWE-601
- CVE-2026-42350
Kargo: Open Redirect in UI OIDC Login Flow via redirectTo Qu - CVE-2026-42195
Unvalidated gitlab URL parameter redirects OAuth authorize s - CVE-2026-3318
Multiple vulnerabilities in Cradle e-commerce - CVE-2026-42259
Saltcorn: Open Redirect in `POST /auth/login` due to incompl - CVE-2026-6795
Open Redirect in DivvyDrive Information Technologies' DivvyD
V. Comments for CVE-2026-34847
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