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CVE-2026-16606— Unauthenticated remote code execution (pre-auth RCE) vulnerability in openFT for Linux and Oracle Solaris

Quick assessment

Affected
Fujitsu Linux openFT
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.

Fujitsu Linux openFT是日本Fujitsu公司的一款跨平台文件传输软件。 Fujitsu Linux openFT 12.1C96及之前版本和Fujitsu Oracle Solaris openFT 12.1C95及之前版本存在代码注入漏洞，该漏洞源于代码注入问题，可能导致未经身份验证的攻击者远程执行代码。

CVSS 9.8 · Critical EPSS 0.65% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
Fujitsu Linux openFT 12.1D00 unaffected
≤ 12.1C96 affected
Fujitsu Oracle Solaris openFT 12.1D00 unaffected
≤ 12.1C95 affected
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I. Basic Information for CVE-2026-16606

Vulnerability Information
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Vulnerability Title
Unauthenticated remote code execution (pre-auth RCE) vulnerability in openFT for Linux and Oracle Solaris
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Fujitsu Software Linux openFT and Fujitsu Software Oracle Solaris openFT before version 12.1D00 allows for unauthenticated remote code execution (pre-auth RCE) on GNU/Linux or Oracle Solaris. The Fsas Technologies PSIRT obtained that intelligence internally and covers the CVE beyond its CNA scope under existing agreement with Fujitsu Germany.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Fujitsu Linux openFT 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fujitsu Linux openFT是日本Fujitsu公司的一款跨平台文件传输软件。 Fujitsu Linux openFT 12.1C96及之前版本和Fujitsu Oracle Solaris openFT 12.1C95及之前版本存在代码注入漏洞，该漏洞源于代码注入问题，可能导致未经身份验证的攻击者远程执行代码。
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
Fujitsu Linux openFT 12.1D00 -
Fujitsu Oracle Solaris openFT 12.1D00 -

II. Public POCs for CVE-2026-16606

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III. Intelligence Information for CVE-2026-16606

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Vendor Advisories for CVE-2026-16606 (1)

Vendor Pages for CVE-2026-16606 (2)

IV. Related Vulnerabilities

Same product: Linux openFT
Same vendor: Fujitsu
Same weakness: CWE-94

V. Comments for CVE-2026-16606

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