CVE-2026-16606
Unauthenticated remote code execution (pre-auth RCE) vulnerability in openFT for Linux and Oracle Solaris
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.
INFO
Published Date :
July 22, 2026, 4:17 p.m.
Last Modified :
July 22, 2026, 4:17 p.m.
Remotely Exploit :
Yes !
Source :
763b0cbd-1a52-41de-b280-f255286be201
Affected Products
The following products are affected by CVE-2026-16606
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 763b0cbd-1a52-41de-b280-f255286be201 | ||||
| CVSS 4.0 | CRITICAL | 763b0cbd-1a52-41de-b280-f255286be201 | ||||
| CVSS 4.0 | CRITICAL | 763b0cbd-1a52-41de-b280-f255286be201 |
Solution
- Update Fujitsu Software Linux openFT to version 12.1D00.
- Update Fujitsu Software Oracle Solaris openFT to version 12.1D00.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16606.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16606 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16606
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16606 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16606 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 763b0cbd-1a52-41de-b280-f255286be201
Jul. 22, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Fujitsu', 'product': 'Linux openFT', 'versions': [{'status': 'unaffected', 'version': '12.1D00', 'versionType': 'custom'}, {'status': 'affected', 'version': '0', 'versionType': 'custom', 'lessThanOrEqual': '12.1C96'}], 'platforms': ['Linux'], 'defaultStatus': 'affected'}, {'vendor': 'Fujitsu', 'product': 'Oracle\xa0Solaris openFT', 'versions': [{'status': 'unaffected', 'version': '12.1D00', 'versionType': 'custom'}, {'status': 'affected', 'version': '0', 'versionType': 'custom', 'lessThanOrEqual': '12.1C95'}], 'platforms': ['Oracle Solaris'], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-94 Added Reference https://global.fujitsu/de-de/capabilities/mainframe-solutions/bs2000-integration Added Reference https://security.eu.fsastech.com/IndexDownload.asp?SoftwareGuid=20873292-0006-4a1c-a188-3940762a0075 Added Reference https://security.ts.fujitsu.com/ProductSecurity/content/FsasTech-PSIRT-FTI-FG-2026-042411-Security-Notice.pdf