CVE-2026-51859: n/a
A directory traversal vulnerability exists in bisheng versions 2.3.0, 2.4.0, and 2.4.0-beta1 in the save_download_file function located in src/backend/bisheng/core/cache/utils.py at line 290. This vulnerability could allow an attacker to access files outside the intended directory.
AI Analysis
Technical Summary
The bisheng software versions 2.3.0, 2.4.0, and 2.4.0-beta1 contain a directory traversal vulnerability in the save_download_file function. This flaw allows unauthorized access to files outside the designated directory by manipulating file paths. The vulnerability is specifically located in the source code at src/backend/bisheng/core/cache/utils.py on line 290.
Potential Impact
An attacker exploiting this vulnerability could potentially read or write files outside the intended directory, leading to unauthorized data access or modification. The exact impact depends on the environment and permissions of the bisheng application but could include exposure of sensitive information or system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected bisheng versions and monitor for suspicious activity related to file access. Avoid deploying these versions in sensitive environments if possible.
CVE-2026-51859: n/a
Description
A directory traversal vulnerability exists in bisheng versions 2.3.0, 2.4.0, and 2.4.0-beta1 in the save_download_file function located in src/backend/bisheng/core/cache/utils.py at line 290. This vulnerability could allow an attacker to access files outside the intended directory.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The bisheng software versions 2.3.0, 2.4.0, and 2.4.0-beta1 contain a directory traversal vulnerability in the save_download_file function. This flaw allows unauthorized access to files outside the designated directory by manipulating file paths. The vulnerability is specifically located in the source code at src/backend/bisheng/core/cache/utils.py on line 290.
Potential Impact
An attacker exploiting this vulnerability could potentially read or write files outside the intended directory, leading to unauthorized data access or modification. The exact impact depends on the environment and permissions of the bisheng application but could include exposure of sensitive information or system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected bisheng versions and monitor for suspicious activity related to file access. Avoid deploying these versions in sensitive environments if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-06-08T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6abd79352a4e24523d9783c8
Added to database: 09/30/2026, 21:03:49 UTC
Last enriched: 09/30/2026, 21:18:51 UTC
Last updated: 10/01/2026, 04:58:27 UTC
Views: 8
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