CVE-2025-58355: Soft Serve is vulnerable to arbitrary file writing through its SSH API
Vulnerability summary
CVE-2025-58355 is a high (CVSS 7.7) vulnerability in charmbracelet soft-serve. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 28.1% of scored vulnerabilities.
Not severe (CVSS 7.7, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 03-09-2025PublishedVulnerability first disclosed.
- 04-09-2025Last modifiedVulnerability information updated.
Description
Soft Serve is a self-hostable Git server for the command line. In versions 0.9.1 and below, attackers can create or override arbitrary files with uncontrolled data through its SSH API. This issue is fixed in version 0.10.0.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated7.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
- NVDNIST7.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.35% 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
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Charmbracelet1 product
- soft-serve< 0.10.0
Github.com/charmbracelet1 product
- soft-serve< 0.10.0
2 vendors · 2 products
References
3 links- github.com/charmbracelet/soft-serve/security/advisories/GHSA-33pr-m977-5w97X Refsource CONFIRMWEBAdvisory
