What’s Vulnerable › Vulnerabilities

CVE-2026-47173: Quest Bot: Ticket reason allows mass-mention injection

• Severity: medium (CVSS 6.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-11 · updated 2026-10-26
• Weakness: CWE-116

Description

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.3, a normal user can create a ticket with a reason containing @everyone, @here, user mentions, or role mentions. When the ticket is created, the bot posts the attacker-controlled reason into the new ticket channel without suppressing mentions. If the bot has permission to use those mentions, the attacker can make the bot ping staff or everyone with access to the ticket channel. This issue has been patched in version 1.0.3.

Affected products

• duck-organization quest-bot: before 1.0.3

References

• https://github.com/duck-organization/questbot/releases/tag/questbot-v1.0.3
• https://github.com/duck-organization/questbot/security/advisories/GHSA-27xg-395c-xfcx
• https://github.com/duck-organization/questbot/security/advisories/GHSA-27xg-395c-xfcx

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