CriticalCritical vulnerability
CVE-2026-51859 (CVSS 9.1)
NVD · officialPublished Sep 30, 2026Risk 50/100EPSS 0.3%
bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to directory traversal in save_download_file (src/backend/bisheng/core/cache/utils.py:290).
Technical details
CVSS
9.1
AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:HighA:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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