CVE-2026-28295— Gvfs: gvfs ftp backend: information disclosure via untrusted pasv responses
Quick assessment
Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
gvfs是gnome开源的一个虚拟文件系统。 GVfs存在代码问题漏洞，该漏洞源于客户端无条件信任被动模式响应中的信息，可能导致恶意服务器探测客户端网络中的开放端口。
Possible ATT&CK Techniques 1 AI
T1046 · Network Service Discovery
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I. Basic Information for CVE-2026-28295
Vulnerability Information
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Vulnerability Title
Gvfs: gvfs ftp backend: information disclosure via untrusted pasv responses
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the FTP GVfs backend. A malicious FTP server can exploit this vulnerability by providing an arbitrary IP address and port in its passive mode (PASV) response. The client unconditionally trusts this information and attempts to connect to the specified endpoint, allowing the malicious server to probe for open ports accessible from the client's network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
gvfs 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gvfs是gnome开源的一个虚拟文件系统。 GVfs存在代码问题漏洞，该漏洞源于客户端无条件信任被动模式响应中的信息，可能导致恶意服务器探测客户端网络中的开放端口。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 | - |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9
|
|
II. Public POCs for CVE-2026-28295
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-28295
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