CVE-2026-47176: Quest Bot: Logging module can disclose private-channel message contents to a lower-visibility log channel

Severity: medium (CVSS 5.7 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-200

Description

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.4, a user who can configure bot settings can enable logging and choose a logging channel they can read. The bot then logs deleted and edited message contents from every channel it can see, including private channels the configuring user cannot access. This issue has been patched in version 1.0.4.

Affected products

duck-organization quest-bot: before 1.0.4

References

https://github.com/duck-organization/questbot/releases/tag/questbot-v1.0.4
https://github.com/duck-organization/questbot/security/advisories/GHSA-fvvp-8g5q-hrc7
https://github.com/duck-organization/questbot/security/advisories/GHSA-fvvp-8g5q-hrc7

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