CVE-2026-47189 Quest Bot: AutoMod removal can delete rules from another guild by global rule ID
Attackers can delete AutoMod rules from other guilds by exploiting missing ownership checks during rule removal.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-47189?
CVE-2026-47189 is a high-severity missing authorization vulnerability in duck-organization quest-bot, published on 11 Jun 2026. An attacker can exploit it over the internet without logging in, 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 AutoMod remove flow looks up and deletes rules by global database ID without verifying that the rule belongs to the guild where the command is executed. A user can learn a victim guild’s AutoMod rule ID through autocomplete, then remove that rule from another guild where they have Manage Server. This issue has been patched in version 1.0.5.
Weakness: CWE-639
Which versions are affected by CVE-2026-47189?
How do I fix CVE-2026-47189?
No fix has been published for CVE-2026-47189 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47189 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-47189 exists.
Sources
Also known as GHSA-6rv9-6p24-w955.