CVE-2024-3955: CraftBeerPi 4 allows arbitrary code execution

May 2, 2024 (updated October 27, 2026)

URL GET parameter “logtime” utilized within the “downloadlog” function from “cbpi/http_endpoints/http_system.py” is subsequently passed to the “os.system” function in “cbpi/controller/system_controller.py” without prior validation allowing arbitrary code execution. This issue affects CraftBeerPi 4: from 4.0.0.58 (commit 563fae9) before 4.4.1.a1 (commit 57572c7).

References

cert.pl/en/posts/2024/05/CVE-2024-3955
cert.pl/posts/2024/05/CVE-2024-3955
github.com/PiBrewing/craftbeerpi4/issues/132
github.com/advisories/GHSA-4f92-w438-f484
github.com/pypa/advisory-database/tree/main/vulns/cbpi4/PYSEC-2026-308.yaml
nvd.nist.gov/vuln/detail/CVE-2024-3955
pypi.org/project/cbpi4

Code Behaviors & Features

Detect and mitigate CVE-2024-3955 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →