Vulnerability · Published Nov 10, 2025 · Assigned by GitHub_M

CVE-2025-64522Soft Serve is vulnerable to SSRF through its Webhooks

Critical 9.1

In plain English

A critical-severity server-side request forgery in soft-serve from charmbracelet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 69.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Soft Serve is a self-hostable Git server for the command line. Versions prior to 0.11.1 have a SSRF vulnerability where webhook URLs are not validated, allowing repository administrators to create webhooks targeting internal services, private networks, and cloud metadata endpoints. Version 0.11.1 fixes the vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/charmbracelet/soft-serve0.11.1GHSA-vwq2-jx9q-9h9f
Gogithub.com/charmbracelet/soft-serve0.11.1GO-2025-4111

Affected products (as reported)

VendorProductVersions
charmbracelet soft-serve < 0.11.1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

References