CVE-2026-47188 Quest Bot: Unban and unwarn reason fields still allow bot-powered mass mentions.
Attackers can trigger mass mentions via unban/unwarn reason fields, causing notification spam and potential service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-47188?
CVE-2026-47188 is a low-severity vulnerability in duck-organization quest-bot, published on 11 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.5, the latest release suppresses mentions in several moderation commands, but /unban and /unwarn still echo user-controlled reason text in public bot messages without allowedMentions. A moderator can use @everyone or @here in the reason and make the bot send a mass ping. This issue has been patched in version 1.0.5.
Weakness: CWE-116
Which versions are affected by CVE-2026-47188?
How do I fix CVE-2026-47188?
No fix has been published for CVE-2026-47188 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-47188 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-47188 exists.
Sources
Also known as GHSA-r978-qqg9-vvxw.