{"id":"CVE-2026-82285","title":"BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callback","summary":"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 att…","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-918"],"vendor":"dataelement","product":"bisheng","affected":["bisheng <= 2.6.0-fix2"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-08-31T18:48:03.817822Z"},"exploitAvailable":true,"published":"2026-08-28","updated":"2026-09-24","sourceUpdated":"2026-09-24T14:20:15.156Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-82285","references":[{"url":"https://github.com/dataelement/bisheng/issues/2190","label":"GitHub Issue #2190"},{"url":"https://github.com/dataelement/bisheng"},{"url":"https://github.com/dataelement/bisheng/blob/3f27641987c7363d2d7b7b1a8c3c3dbe09c60fd7/src/backend/bisheng/api/v1/workflow.py","label":"Vulnerable code: workflow.py"},{"url":"https://www.vulncheck.com/advisories/bisheng-unauthenticated-server-side-request-forgery-via-workflow-report-callback","label":"VulnCheck Advisory: BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callback"}],"tags":["cve.org","exploit-available"],"epss":0.00308,"epssPercentile":0.23863,"ingestedAt":"2026-09-24T15:45:56.693Z","slug":"CVE-2026-82285","body":"## Overview\n\nbisheng 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.\n\n## Affected\n\n- `bisheng <= 2.6.0-fix2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":57,"depthScoreParts":{"impact":45.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}