Vulnerability · Published Jun 11, 2026 · Assigned by GitHub_M
CVE-2026-47172Quest Bot: Untrusted pull request code can be built and deployed by privileged `workflow_run` deployment.
Critical 9.5
In plain English
A critical-severity security flaw in quest-bot from duck-organization. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| duck-organization | quest-bot | < 1.0.3 |
Weakness: CWE-829 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H