CVE-2026-82285

Description

bisheng through 2.6.0-fix2 contains a server-side request forgery vulnerability in the POST /api/v1/workflow/report/callback endpoint that lacks authentication and applies no URL scheme restrictions or host filtering. Unauthenticated attackers can supply arbitrary URLs to enumerate internal network services and cloud metadata endpoints, then retrieve captured responses from object storage using caller-supplied object names.

References

https://www.vulncheck.com/advisories/bisheng-unauthenticated-server-side-request-forgery-via-workflow-report-callback

https://github.com/dataelement/bisheng/issues/2190

https://github.com/dataelement/bisheng/blob/3f27641987c7363d2d7b7b1a8c3c3dbe09c60fd7/src/backend/bisheng/api/v1/workflow.py

https://github.com/dataelement/bisheng

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4