CVE-2026-34840

CVE-2026-34840 – OneUptime SSO (SAML) decoupled signature verification . Prior to 10.0.42, OneUptime’s SSO.ts uses isSignatureValid() to verify only the first in the XML DOM with xml-crypto while getEmail() reads identity from assertion[0] via xml2js, enabling an attacker to prepend an unsigned ...

CVE-2026-34840 OneUptime SSO: Multi-Assertion Identity Injection via Decoupled Signature Verification

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

CVE-2026-34840 OneUptime SSO: Multi-Assertion Identity Injection via Decoupled Signature Verification

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

CVE-2026-34759 OneUptime: Unauthenticated notification API endpoints - financial abuse via phone number purchase, service disruption, and SMTP credential exposure

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, multiple notification API endpoints are registered without authentication middleware, while sibling endpoints in the same codebase correctly use ClusterKeyAuthorization.isAuthorizedServiceMiddleware. Thes...

CVE-2026-34758 OneUptime: Missing Authentication on Notification Endpoints

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints allows SMS/Call/Email/WhatsApp abuse and phone number purchase. This issue has been patched in version 10.0.42...

CVE-2026-34758 OneUptime: Missing Authentication on Notification Endpoints

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints allows SMS/Call/Email/WhatsApp abuse and phone number purchase. This issue has been patched in version 10.0.42...

CVE-2026-34758

OneUptime Open-Source Monitoring and Observability platform Vulnerability: CVE-2026-34758. Before version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints enables abuse of SMS/Call/Email/WhatsApp services and unauthorized phone-number purchases. Root caus...

EUVD-2026-18511

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints allows SMS/Call/Email/WhatsApp abuse and phone number purchase. This issue has been patched in version 10.0.42...

CVE-2026-35053: Missing Authentication for Critical Function

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, the Worker service's ManualAPI exposes workflow execution endpoints GET /workflow/manual/run/:workflowId and POST /workflow/manual/run/:workflowId without any authentication middleware. An attacker who ca...

CVE-2026-34758: Missing Authentication for Critical Function

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, unauthenticated access to Notification test and Phone Number management endpoints allows SMS/Call/Email/WhatsApp abuse and phone number purchase. This issue has been patched in version 10.0.42...

OneUptime: Access Control Vulnerability

OneUptime is a comprehensive open-source solution developed by OneUptime. It is used to monitor and manage your online services. Versions of OneUptime prior to 10.0.42 contained a access control vulnerability. This vulnerability stemmed from the ability to access notification tests and telephone...

CVE-2026-34759: Missing Authorization

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, multiple notification API endpoints are registered without authentication middleware, while sibling endpoints in the same codebase correctly use ClusterKeyAuthorization.isAuthorizedServiceMiddleware. Thes...

CVE-2026-34840: Improper Verification of Cryptographic Signature

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

OneUptime: Access Control Vulnerability

OneUptime is a comprehensive solution developed by OneUptime OpenSource. It is used to monitor and manage your online services. Versions of OneUptime prior to 10.0.42 contained a access control vulnerability, which stems from the lack of authentication at the workflow execution endpoint. This...

OneUptime: Data falsification vulnerability

OneUptime is a comprehensive solution developed by OneUptime OpenSource. It is used to monitor and manage your online services. Versions of OneUptime prior to 10.0.42 contained a data manipulation vulnerability. This vulnerability stemmed from the separation of signature verification and identity...

PT-2026-29883

Name of the Vulnerable Software and Affected Versions OneUptime versions prior to 10.0.42 Description The OneUptime platform's Worker service ManualAPI exposes workflow execution endpoints without authentication. Specifically, the GET and POST endpoints /workflow/manual/run/:workflowId are...

OneUptime security vulnerabilities

OneUptime is a comprehensive solution developed by OneUptime OpenSource. It is used to monitor and manage your online services. Versions of OneUptime prior to 10.0.42 contained security vulnerabilities. These vulnerabilities stemmed from multiple notification API endpoints not registering...

PT-2026-29882

Name of the Vulnerable Software and Affected Versions OneUptime versions prior to 10.0.42 Description OneUptime, an open-source monitoring and observability platform, had a flaw in its SAML SSO implementation located in App/FeatureSet/Identity/Utils/SSO.ts. The issue stemmed from a separation...

CVE-2026-33396

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.35, a low-privileged authenticated user ProjectMember can achieve remote command execution on the Probe container/host by abusing Synthetic Monitor Playwright script execution. Synthetic monitor code is...

CVE-2026-30959

OneUptime is a solution for monitoring and managing online services. The resend-verification-code endpoint allows any authenticated user to trigger a verification code resend for any UserWhatsApp record by ID. Ownership is not validated unlike the verify endpoint. This affects the...