CVE-2026-33353: Soft Serve: Authenticated repo import can clone server-local private repositories
Vulnerability summary
CVE-2026-33353 is a high (CVSS 7.1) vulnerability in charm soft_serve. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31.8% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (GitHub, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 24-03-2026PublishedVulnerability first disclosed.
- 25-03-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · GoEcosystem advisory · calculated7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- NVDNIST7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
Decrease -0.04 pp
From 0.41% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundSoft Serve
Maturity: poc
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Charm1 product
- soft_serve≥ 0.6.0, < 0.11.6
Charmbracelet1 product
- soft-serve≥ 0.6.0, < 0.11.6
Github.com/charmbracelet1 product
- soft-serve≥ 0.6.0, < 0.11.6
3 vendors · 3 products
References
5 links- github.com/charmbracelet/soft-serve/security/advisories/GHSA-xgxp-f695-6vrpX Refsource CONFIRMWEBAdvisoryExploitVendor Advisory
- github.com/charmbracelet/soft-serve/commit/c147421caf234bcfc1570c79d728ecbbe5813e55X Refsource MISCWEBPatch
