Auth bypass in Charm Soft Serve
CVE-2026-33353
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- Charm Soft Serve
- Charmbracelet Soft-Serve — versions >= 0.6.0, < 0.11.6
Weakness classification (CWE)
References
- github.com/charmbracelet/soft-serve/security/advisories/GHSA-xgxp-f695-6vrp (Exploit, Vendor Advisory)
- github.com/charmbracelet/soft-serve/commit/c147421caf234bcfc1570c79d728ecbbe581… (Patch)
- github.com/charmbracelet/soft-serve/releases/tag/v0.11.6 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-33353?
- CVE-2026-33353 is a medium-severity vulnerability in Charm Soft Serve, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-03-24.
- How severe is CVE-2026-33353?
- Medium severity. CVSS v3 base score is 6.5 out of 10.