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CVE-2024-3955 — Vulnerability in cbpi4 — CVE Details

CRITICAL

CraftBeerPi 4 allows arbitrary code execution

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

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).

Advisory Timeline

  • First published June 29, 2026 (105 days ago).
  • Last revised July 1, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update cbpi4 to 4.4.1.a1 or later
pip install "cbpi4>=4.4.1.a1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
cbpi4
pypi
4.0.5, 4.0.5a13, 4.0.5a14, 4.0.5a15 (+26 more)4.4.1.a1

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2024-3955?
CraftBeerPi 4 allows arbitrary code execution This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2024-3955?
CVE-2024-3955 affects cbpi4. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-3955 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-308
GHSA-4f92-w438-f484

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