CVE-2026-105707

Name of the Vulnerable Software and Affected Versions uptrace versions prior to 2.1.0-beta.9

Description A remote information exposure issue exists due to verbose error handling in the Login() function within the pkg/org/user handler.go file. This flaw allows a remote attacker to use the login handler as a tool for username lookup by analyzing the error messages returned by the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary mitigation, restrict access to the Login() function to minimize the risk of username enumeration.