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PatchSiren cyber security CVE debrief

CVE-2026-47171 duck-organization CVE debrief

CVE-2026-47171 is a high-severity vulnerability in Quest Bot, a Discord bot, allowing normal users to create reminders that trigger mass mentions, potentially pinging the entire server or channel. This issue was patched in version 1.0.3.

Vendor
duck-organization
Product
quest-bot
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-11
Advisory published
2026-06-11
Advisory updated
2026-06-11

Who should care

Users of Quest Bot, particularly those with the bot having permission to mention everyone, should be aware of this vulnerability and ensure they are running version 1.0.3 or later to prevent potential abuse.

Technical summary

Quest Bot, a Discord bot for moderation, utilities, and support, had a vulnerability prior to version 1.0.3. A normal user could create a reminder with a message containing @everyone or @here. When triggered, the bot would send the stored message back into the channel without suppressing mass mentions. If the bot had permission to mention everyone, this could result in the entire server or channel being pinged.

Defensive priority

High

Recommended defensive actions

  • Update Quest Bot to version 1.0.3 or later to patch the vulnerability.
  • Review and adjust bot permissions to prevent unnecessary mentions.

Evidence notes

CVE-2026-47171 has a CVSS score of 8.8 and is considered HIGH severity. It was published on 2026-06-11T19:16:45.080Z and modified on 2026-06-11T20:58:18.123Z.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47171 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47171

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47171 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47171

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.