CVE-2026-63203

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

CVE-2026-56739

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

CVE-2026-56739 Logto: SSRF via Webhooks and Custom OAuth2 Connector UserInfo Endpoint

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

EUVD-2026-86224

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

CVE-2026-56739

Logto versions prior to 1.43.0 are vulnerable to Server-Side Request Forgery (SSRF) because the application fails to validate outbound destinations controlled by administrators. Specifically, Webhook delivery in packages/core/src/libraries/hook/utils.ts can access cloud metadata addresses. Additi...

CVE-2026-56739 Logto: SSRF via Webhooks and Custom OAuth2 Connector UserInfo Endpoint

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

CVE-2026-56739 Logto: SSRF via Webhooks and Custom OAuth2 Connector UserInfo Endpoint

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

CVE-2026-63203 Logto: Account API can disclose stored third-party provider tokens without the identities scope

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

EUVD-2026-86223

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

CVE-2026-63203

In Logto versions 1.31.0 through 1.42.0 , a vulnerability exists in the Account API handlers located in packages/core/src/routes/account/third-party-tokens.ts. The root cause is that the handlers authenticate users but fail to require the identities scope , allowing callers with only an openid sc...

CVE-2026-63203 Logto: Account API can disclose stored third-party provider tokens without the identities scope

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

CVE-2026-63203 Logto: Account API can disclose stored third-party provider tokens without the identities scope

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

PT-2026-97856

Name of the Vulnerable Software and Affected Versions Logto versions prior to 1.43.0 Description Logto fails to validate addresses used for outbound connections controlled by administrators. This allows requests to reach special-use and cloud metadata addresses via webhook delivery in...

CVE-2026-56739: Server-Side Request Forgery (SSRF)

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.43.0, Logto fetches administrator-controlled outbound destinations without validating the address used for the connection. Webhook delivery in packages/core/src/libraries/hook/utils.ts can reach special-use and...

CVE-2026-63203: Missing Authorization

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. From 1.31.0 until 1.42.0, the Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller holding a same-user access token with only the openid scope to retrieve stored social or enterpris...

PT-2026-97857

Name of the Vulnerable Software and Affected Versions Logto versions 1.31.0 through 1.41.0 Description Account API handlers in packages/core/src/routes/account/third-party-tokens.ts allow a caller with a same-user access token containing only the openid scope to retrieve stored social or enterpri...

CVE-2026-82262

Logto through 1.42.0 contains a server-side request forgery vulnerability in the POST /api/hooks/:id/test endpoint that accepts arbitrary URLs without host validation. Tenant administrators with Management API tokens can make the server issue HTTP POST requests to internal URLs and retrieve...

CVE-2026-82263

Logto through 1.42.0 contains a server-side request forgery vulnerability in the OIDC SSO connector creation endpoint that fails to validate the issuer URL parameter. Tenant administrators with Management API credentials can supply arbitrary internal URLs to trigger HTTP GET requests to private...

CVE-2026-82263 Logto Server-Side Request Forgery via OIDC SSO Connector Issuer URL

Logto through 1.42.0 contains a server-side request forgery vulnerability in the OIDC SSO connector creation endpoint that fails to validate the issuer URL parameter. Tenant administrators with Management API credentials can supply arbitrary internal URLs to trigger HTTP GET requests to private...

CVE-2026-82263

Logto through 1.42.0 contains a server-side request forgery vulnerability in the OIDC SSO connector creation endpoint that fails to validate the issuer URL parameter. Tenant administrators with Management API credentials can supply arbitrary internal URLs to trigger HTTP GET requests to private...