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CVE-2026-82278

8.8 · HIGH

BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code.

Published Aug 28, 2026CWE-94EPSS 0.74%

Overview

CVE-2026-82278 is a high-severity vulnerability. It was published on August 28, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

BISHENG before 2.6.0 contains a remote code execution vulnerability in the workflow run_once endpoint that allows authenticated users to execute arbitrary Python code. Attackers can submit crafted Code node definitions to the POST /api/v1/workflow/run_once endpoint, which executes them with exec() without sandboxing, gaining access to filesystem, credentials, and internal network resources.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/dataelement/bishengGitHubgithub.com/dataelement/bisheng/blob/v2.4.0/src/backend/bisheng/api/services/workflow.pyGitHubgithub.com/dataelement/bisheng/issues/2189Refwww.vulncheck.com/advisories/bisheng-authenticated-arbitrary-python-code-execution-via-workflow-run-onceGitHubgithub.com/dataelement/bisheng/issues/2189

How CyberStrike helps

Frequently asked questions

What is CVE-2026-82278?

CVE-2026-82278 is a high-severity vulnerability. It was published on August 28, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-82278?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-82278?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-82278?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-82278 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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