CVE-2026-82285
BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callback
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 28, 2026
- Updated
- Sep 24, 2026
- Reserved
- Aug 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
bishengdataelement |
|
References
- GitHub Issue #2190issue-tracking
- https://github.com/dataelement/bishengproduct
- Vulnerable code: workflow.pytechnical-description
- VulnCheck Advisory: BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callbackthird-party-advisory
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