CVE-2026-42158: Metadata Manipulation in Flowsint

The primary impact of CVE-2026-42158 is the potential for unauthorized modification of investigation metadata within Flowsint. An attacker could alter investigation details, such as timestamps, tags, or assigned users, to mislead analysts or conceal malicious activity. This could hinder investigations, provide attackers with cover, and potentially lead to incorrect conclusions based on manipulated data. The blast radius is limited to users sharing the same Flowsint instance, as the vulnerability relies on knowledge of investigation IDs.

1. Veröffentlicht2026-05-12

The primary mitigation for CVE-2026-42158 is to upgrade Flowsint to version 1.2.3 or later, which includes the fix for this metadata manipulation vulnerability. If upgrading is not immediately feasible, consider restricting access to investigation metadata modification functions based on user roles and permissions. Implement robust logging and monitoring to detect any unauthorized changes to investigation metadata. Regularly review user access controls and ensure that only authorized personnel have the ability to modify investigation data.