CVE-2026-47171
CVE-2026-47171 is a high-severity vulnerability with a CVSS 4.0 base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-116.
Key facts
- Severity: High (CVSS 4.0 base score 8.8)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36299
- Weakness: CWE-116
- Published:
- Last modified:
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 reminder whose message contains @everyone or @here. When the reminder triggers, the bot sends the stored message back into the channel without suppressing mass mentions. If the bot has permission to mention everyone, the reminder can ping the entire server or channel later. This issue has been patched in version 1.0.3.
Frequently asked questions
- What is CVE-2026-47171?
- 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 reminder whose message contains @everyone or @here. When the reminder triggers, the bot sends the stored message back into the channel without suppressing mass mentions. If the bot has permission to mention everyone, the reminder can ping the entire server or channel later. This issue has been patched in version 1.0.3.
- How severe is CVE-2026-47171?
- CVE-2026-47171 has a CVSS 4.0 base score of 8.8, rated high severity.
- Is CVE-2026-47171 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-47171?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-47171 have an EU (EUVD) identifier?
- Yes. CVE-2026-47171 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36299.
- When was CVE-2026-47171 published?
- CVE-2026-47171 was published on 2026-06-11 and last updated on 2026-06-17.
References
- https://github.com/duck-organization/questbot/releases/tag/questbot-v1.0.3
- https://github.com/duck-organization/questbot/security/advisories/GHSA-vmgg-f3m4-6fcv
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