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CVE-2026-33353: Soft Serve: Authenticated repo import can clone server-local private repositories

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-24 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• charmbracelet soft-serve: from 0.6.0 before 0.11.6 — fixed in 0.11.6

How to fix

Upgrade to a fixed version: charmbracelet soft-serve 0.11.6. Check the vendor advisory for mitigations.

References

• https://github.com/charmbracelet/soft-serve/commit/c147421caf234bcfc1570c79d728ecbbe5813e55
• https://github.com/charmbracelet/soft-serve/releases/tag/v0.11.6
• https://github.com/charmbracelet/soft-serve/security/advisories/GHSA-xgxp-f695-6vrp
• https://github.com/charmbracelet/soft-serve/security/advisories/GHSA-xgxp-f695-6vrp

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