ChainCatcher news, according to Cointelegraph, cryptocurrency wallet provider Tangem has faced criticism from users for collecting their mnemonic phrases due to an application vulnerability. The company confirmed the issue on December 30, stating that the vulnerability stemmed from an error in application log handling, which resulted in users' private keys being recorded and potentially accessible by the support team.

Although Tangem has promptly fixed and deleted all related logs, users have expressed dissatisfaction, feeling that the company failed to respond adequately. Tangem stated that this vulnerability only affected a small number of users and has proactively contacted those affected. All users are advised to update the application immediately to avoid potential mnemonic phrase leaks.