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 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...

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...