Hoppscotch <= 2026.4.1 - Mass Assignment JWT_SECRET Overwrite

Hoppscotch self-hosted backend = 2026.4.1 contains a broken authentication caused by mass assignment via unauthenticated POST /v1/onboarding/config endpoint, letting unauthenticated attackers overwrite JWTSECRET to forge tokens and fully compromise the server, exploit requires attacker to access...

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-2026-69189

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

EUVD-2026-60952

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

CVE-2026-69189 Hoppscotch: Cross-user private data exposure and UserHistory IDOR via team GraphQL resolvers

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

CVE-2026-69189 Hoppscotch: Cross-user private data exposure and UserHistory IDOR via team GraphQL resolvers

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

CVE-2026-69189

Hoppscotch versions prior to 2026.6.0 contain an IDOR vulnerability in team and UserHistory GraphQL resolvers: authenticated workspace members can read other users' private request history, authorization headers, session data, and environment values, and modify or delete victim history entries. F...

CVE-2026-69189

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

CVE-2026-69189 Hoppscotch: Cross-user private data exposure and UserHistory IDOR via team GraphQL resolvers

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

PT-2026-77146

Hoppscotch is an open source API development ecosystem. Prior to 2026.6.0, the team, teamMembers.user, RESTHistory, GQLHistory, currentRESTSession, currentGQLSession, environments, globalEnvironments, and settings GraphQL paths expose another workspace member's private User data, while...

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-2026-59721

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’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-2026-59720 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: 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-2026-59721

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-2026-50160

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...