CVE-2025-64522 Soft Serve is vulnerable to SSRF through its Webhooks
Repository administrators can exploit unvalidated webhook URLs to access internal services and cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-64522?
CVE-2025-64522 is a critical server-side request forgery vulnerability in charmbracelet soft-serve, published on 10 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-918
Which versions are affected by CVE-2025-64522?
3 open source packages ship an affected version, including github.com/charmbracelet/soft-serve. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/charmbracelet/soft-serve Go | All versions | 0.11.1 |
github.com/charmbracelet/soft-serve Go | All versions | 0.11.1 |
github.com/charmbracelet/soft-serve Go | All versions | 0.11.1 |
Products include Charm Soft Serve.
How do I fix CVE-2025-64522?
Upgrade github.com/charmbracelet/soft-serve to 0.11.1 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-64522 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-64522 exists.
Other vulnerabilities in charmbracelet soft-serve
- CVE-2026-30832 Soft Serve: SSRF via unvalidated LFS endpoint in repo import
- CVE-2026-24058 Soft Serve has Critical Authentication Bypass
- CVE-2023-43809 Soft Serve Public Key Authentication Bypass Vulnerability when Keyboard-Interactive SSH Authentication is Enabled
- CVE-2026-33353 Soft Serve: Authenticated repo import can clone server-local private repositories
- CVE-2026-22253 Soft Serve is missing an authorization check in LFS lock deletion
Sources
Also known as GHSA-vwq2-jx9q-9h9f, GO-2025-4111.