CVE-2026-38974

A flaw was found in Dulwich. The contrib/paramiko_vendor.py component is missing Secure Shell (SSH) host key verification. This vulnerability allows a remote attacker to impersonate a legitimate Git server. By doing so, the attacker could potentially intercept sensitive information or execute arbitrary code on the client system during a connection.

This is an Important flaw where Dulwich's paramiko_vendor.py component lacks SSH host key verification. This allows a remote attacker to impersonate a Git server, potentially leading to sensitive data interception or arbitrary code execution on client systems. Exploitation requires user interaction, specifically connecting to a malicious Git server.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.