CVE-2025-58355: Charmbracelet Soft-Serve

High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Soft Serve is a self-hostable Git server for the command line. In versions 0.9.1 and below, attackers can create or override arbitrary files with uncontrolled data through its SSH API. This issue is fixed in version 0.10.0.

Affected products

• Charmbracelet Soft-Serve: before 0.10.0 (fixed in 0.10.0)

Published 2025-09-04. Last modified 2026-06-17.