CVE-2026-20777 - Vulnerability Analysis
HighCVSS: 8.1Last Updated: March 3, 2026
The Biosig Project libbiosig - Remote Code Execution
Published: March 3, 2026Updated: March 3, 2026Remote Exploitable
Overview
The Biosig Project libbiosig 3.9.2 and Master Branch contain a heap-based buffer overflow caused by improper parsing in Nicolet WFT functionality, letting attackers execute arbitrary code by providing a malicious .wft file.
Severity & Score
Severity: High
CVSS Score: 8.1
Impact
Attackers can execute arbitrary code remotely by supplying a crafted .wft file, potentially leading to full system compromise.
Mitigation
Update to the latest version of libbiosig.
References
Related Resources
Details
- CVE ID
- CVE-2026-20777
- Severity
- High
- CVSS Score
- 8.1
- Type
- buffer_overflow
- Status
- new
CWE
- CWE-122
CVSS Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H