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Description

Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.3, the repository has a privileged deploy workflow that runs after the unprivileged build workflow completes. The build workflow runs on pull requests, and the deploy workflow checks out the triggering workflow’s head_sha, builds that code into a Docker image, pushes it as latest, and triggers production deployment. If an attacker can open a pull request from a branch named main, the deploy workflow condition can treat the PR build as deployable and build the attacker-controlled commit in a privileged deployment context. This can result in malicious container deployment and production bot compromise. This issue has been patched in version 1.0.3.

PUBLISHED Reserved 2026-05-18 | Published 2026-06-11 | Updated 2026-06-11 | Assigner GitHub_M




CRITICAL: 9.5CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-829: Inclusion of Functionality from Untrusted Control Sphere

Product status

< 1.0.3
affected

References

github.com/...estbot/security/advisories/GHSA-9qf3-c86c-j346 exploit

github.com/...estbot/security/advisories/GHSA-9qf3-c86c-j346

github.com/...nization/questbot/releases/tag/questbot-v1.0.3

cve.org (CVE-2026-47172)

nvd.nist.gov (CVE-2026-47172)

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