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...

CVE-2026-59721

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the updateInfraConfigs GraphQL mutation in admin/infra.resolver.ts accepts an attacker-controlled MAILERSMTPURL value, and validateSMTPUrl in utils.ts permits path, query, or fragment content that nodemailer parses into...

CVE-2026-59720

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, mock server creation in mock-server.service.ts does not persist the isPublic input field while schema.prisma defaults isPublic to true, causing mock servers linked to private collections to be publicly accessible without...

CVE-2026-59720 Hoppscotch: Insecure Default Configuration Allows Public Exposure of Private Collection Data via Mock Server

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, mock server creation in mock-server.service.ts does not persist the isPublic input field while schema.prisma defaults isPublic to true, causing mock servers linked to private collections to be publicly accessible without...

CVE-2026-59720

Hoppscotch’s Mock API exposes private collection data due to a desync: mock-server.service.ts does not persist the isPublic input, while schema.prisma defaults isPublic to true, making mock servers linked to private collections publicly accessible without authentication. The vulnerability affects...

CVE-2026-59720 Hoppscotch: Insecure Default Configuration Allows Public Exposure of Private Collection Data via Mock Server

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, mock server creation in mock-server.service.ts does not persist the isPublic input field while schema.prisma defaults isPublic to true, causing mock servers linked to private collections to be publicly accessible without...

CVE-2026-59721

Hoppscotch (open source API development ecosystem) contains a Rooted Command Execution risk before version 2026.6.0 due to the updateInfraConfigs GraphQL mutation in admin/infra.resolver.ts accepting an attacker-controlled MAILER_SMTP_URL. The validateSMTPUrl in utils.ts permits path, query, or f...

CVE-2026-59721 Hoppscotch: Admin RCE via MAILER_SMTP_URL nodemailer sendmail-transport injection

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the updateInfraConfigs GraphQL mutation in admin/infra.resolver.ts accepts an attacker-controlled MAILERSMTPURL value, and validateSMTPUrl in utils.ts permits path, query, or fragment content that nodemailer parses into...

CVE-2026-59721 Hoppscotch: Admin RCE via MAILER_SMTP_URL nodemailer sendmail-transport injection

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the updateInfraConfigs GraphQL mutation in admin/infra.resolver.ts accepts an attacker-controlled MAILERSMTPURL value, and validateSMTPUrl in utils.ts permits path, query, or fragment content that nodemailer parses into...

CVE-2026-50160

Hoppscotch is an API development ecosystem. In self-hosted deployments of hoppscotch-backend from version 2026.4.1 and earlier, the unauthenticated POST /v1/onboarding/config endpoint is vulnerable to mass assignment. The global NestJS ValidationPipe is configured without whitelist: true, so extr...

CVE-2026-50160 Mass Assignment via Onboarding Endpoint Allows Unauthenticated JWT_SECRET Overwrite

Hoppscotch is an API development ecosystem. In self-hosted deployments of hoppscotch-backend from version 2026.4.1 and earlier, the unauthenticated POST /v1/onboarding/config endpoint is vulnerable to mass assignment. The global NestJS ValidationPipe is configured without whitelist: true, so extr...

PT-2026-51653

Name of the Vulnerable Software and Affected Versions Hoppscotch affected versions not specified Description Four independent weaknesses allow an unauthenticated request to lead to full server compromise. Recommendations At the moment, there is no information about a newer version that contains a...

CVE-2026-44478

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config sti...

CVE-2026-44478 hoppscotch: Unauthenticated Onboarding Config Disclosure via Empty Recovery Token

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config sti...

EUVD-2026-30201

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config sti...

CVE-2026-44478 hoppscotch: Unauthenticated Onboarding Config Disclosure via Empty Recovery Token

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config sti...

CVE-2026-44478 hoppscotch: Unauthenticated Onboarding Config Disclosure via Empty Recovery Token

hoppscotch is an open source API development ecosystem. The fix for CVE-2026-28215 in version 2026.2.0 addresses the unauthenticated POST /v1/onboarding/config endpoint by checking onboardingCompleted and canReRunOnboarding before allowing config overwrites. However, GET /v1/onboarding/config sti...

Hoppscotch 访问控制错误漏洞

Hoppscotch is an open-source API development ecosystem created by Hoppscotch. Versions of Hoppscotch from 2026.2.0 to 2026.4.0 contained a access control vulnerability. This vulnerability stemmed from the GET /v1/onboarding/config endpoint, which still exposed all infrastructure secrets in plain...

CVE-2026-34932

hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0...

CVE-2026-34931

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...