CVE-2026-33353 Soft Serve: Authenticated repo import can clone server-local private repositories
Authenticated users can clone other users' private repositories due to missing authorization checks in the import feature.
- 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-2026-33353?
CVE-2026-33353 is a high-severity missing authorization vulnerability in charmbracelet soft-serve, published on 24 Mar 2026. 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. From version 0.6.0 to before version 0.11.6, an authorization flaw in repo import allows any authenticated SSH user to clone a server-local Git repository, including another user's private repo, into a new repository they control. This issue has been patched in version 0.11.6.
Which versions are affected by CVE-2026-33353?
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 | From 0.6.0 | 0.11.6 |
github.com/charmbracelet/soft-serve Go | From 0.6.0 | 0.11.6 |
github.com/charmbracelet/soft-serve Go | From 0.6.0 | 0.11.6 |
Products include Charm Soft Serve.
How do I fix CVE-2026-33353?
Upgrade github.com/charmbracelet/soft-serve to 0.11.6 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-33353 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-33353 exists.
Other vulnerabilities in charmbracelet soft-serve
- CVE-2026-30832 Soft Serve: SSRF via unvalidated LFS endpoint in repo import
- CVE-2025-64522 Soft Serve is vulnerable to SSRF through its Webhooks
- 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-2026-22253 Soft Serve is missing an authorization check in LFS lock deletion
Sources
Also known as GHSA-xgxp-f695-6vrp, GO-2026-4788.