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Vulnerability record · CVE-2026-47163 · published 11 June 2026

CVE-2026-47163: Missing authorization vulnerability

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.1, any guild member who can invoke slash commands can use /automod add, /automod remove, and /automod list because the command has no Discord default permission requirement and no runtime moderator permission check. An attacker can add a rule matching common text and make the bot delete other users’ messages. This issue has been patched in version 1.0.1.

7.2 CVSS 4.0 High EPSS 0.36% · top 72.3% CWE-862 · Missing authorization Deferred
7.2CVSS 4.0 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.1, any guild member who can invoke slash commands can use /automod add, /automod remove, and /automod list because the command has no Discord default permission requirement and no runtime moderator permission check. An attacker can add a rule matching common text and make the bot delete other users’ messages. This issue has been patched in version 1.0.1.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/duck-organization/questbot/releases/tag/questbot-v1.0.1
https://github.com/duck-organization/questbot/security/advisories/GHSA-rphh-4h68-qr3j
https://github.com/duck-organization/questbot/security/advisories/GHSA-rphh-4h68-qr3j

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Source: NIST National Vulnerability Database (record CVE-2026-47163), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.