Critical · published December 16, 2025
⚠️ A simple oversight lets users accept invitations meant for others! Just like leaving your front door wide open could invite unexpected guests, this Weblate vulnerability allows unauthorized access if sessions are left unattended. 🔓 Think of Weblate like a restaurant where only specific guests can order from certain tables. If someone invites a friend to join them, but they leave the invitation open, it’s as if they’re letting anyone sit down and order from their menu without checking who they are! While this issue is classified as low severity, it still poses a risk. An unauthorized user could potentially accept an invitation and gain access to localization projects, leading to confusion or miscommunication within teams. It's not catastrophic, but it certainly could lead to some awkward situations!
Think of Weblate like a restaurant where only specific guests can order from certain tables. If someone invites a friend to join them, but they leave the invitation open, it’s as if they’re letting anyone sit down and order from their menu without checking who they are! This vulnerability allows users to accept invitations from different accounts in Weblate versions prior to 5.15, due to a lack of session validation when invitations are left open. If not properly managed, a session could be compromised.
While this issue is classified as low severity, it still poses a risk. An unauthorized user could potentially accept an invitation and gain access to localization projects, leading to confusion or miscommunication within teams. It's not catastrophic, but it certainly could lead to some awkward situations! To mitigate this risk, upgrade Weblate to version 5.15 or later immediately. As a temporary workaround, ensure that you don't leave invitation links opened in unattended sessions. Keep an eye on your browser tabs! You've got this! With a quick update, you can keep your Weblate sessions safe and sound. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| weblate/weblate | < 5.15 | 5.15 |