High · published February 6, 2026
🚨 A sneaky timing attack lets attackers unlock your Trilium Notes with a mere delay tactic! 🔥 Think of it like a restaurant where the chef prepares dishes at varying speeds, tipping off diners about secret ingredients based on how long their meals take. In this case, an attacker could measure the time it takes for the server to respond, revealing the inner workings of your authentication and allowing access without a password. An attacker could gain full read and write access to your personal knowledge base, leading to exposure of sensitive information and potential manipulation of your valuable notes. This means your private thoughts and data could be compromised, all due to a moment's wait!
Think of it like a restaurant where the chef prepares dishes at varying speeds, tipping off diners about secret ingredients based on how long their meals take. In this case, an attacker could measure the time it takes for the server to respond, revealing the inner workings of your authentication and allowing access without a password. This vulnerability allows unauthenticated remote attackers to exploit timing differences in the sync authentication endpoint of Trilium Notes prior to version 0.101.0. By analyzing these timing discrepancies, they can reconstruct HMAC authentication hashes and bypass authentication altogether.
An attacker could gain full read and write access to your personal knowledge base, leading to exposure of sensitive information and potential manipulation of your valuable notes. This means your private thoughts and data could be compromised, all due to a moment's wait! Update Trilium Notes to version 0.101.0 immediately to close this vulnerability. Regularly audit your sync settings and consider additional security measures, like enabling two-factor authentication if available! You've got this! With a quick patch, your notes will be safe and sound again! 🛡️